papers

Publications (133)

astro-ph.HE2019

An Optically Targeted Search for Gravitational Waves emitted by Core-Collapse Supernovae during the First and Second Observing Runs of Advanced LIGO and Advanced Virgo

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1195

We present the results from a search for gravitational-wave transients associated with core-collapse supernovae observed within a source distance of approximately 20 Mpc during the…

gr-qc2026

All-sky Searches for Continuous Gravitational Waves from Isolated Neutron Stars in the Data from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1826

We present results from an all-sky search for continuous gravitational waves, using three different methods applied to the first eight months of LIGO data from the fourth LIGO-Virg…

gr-qc2025

Open Data from LIGO, Virgo, and KAGRA through the First Part of the Fourth Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1768

LIGO, Virgo, and KAGRA form a network of gravitational-wave observatories. Data and analysis results from this network are made publicly available through the Gravitational Wave Op…

astro-ph.HE2020

GW190814: Gravitational Waves from the Coalescence of a 23 M Black Hole with a 2.6 M Compact Object

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1254

We report the observation of a compact binary coalescence involving a 22.2 - 24.3 black hole and a compact object with a mass of 2.50 - 2.67 (all measuremen…

cond-mat.str-el2021

Quasiparticle Interference of the van-Hove singularity in SrRuO

A. Kreisel, C. A. Marques, L. C. Rhodes +7

The single-layered ruthenate SrRuO is one of the most enigmatic unconventional superconductors. While for many years it was thought to be the best candidate for a chiral $p…

astro-ph.HE2023

Search for Eccentric Black Hole Coalescences during the Third Observing Run of LIGO and Virgo

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1772

Despite the growing number of confident binary black hole coalescences observed through gravitational waves so far, the astrophysical origin of these binaries remains uncertain. Or…

astro-ph.HE2025

A search using GEO600 for gravitational waves coincident with fast radio bursts from SGR 1935+2154

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1780

The magnetar SGR 1935+2154 is the only known Galactic source of fast radio bursts (FRBs). FRBs from SGR 1935+2154 were first detected by CHIME/FRB and STARE2 in 2020 April, after t…

astro-ph.CO2024

Ultralight vector dark matter search using data from the KAGRA O3GK run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1800

Among the various candidates for dark matter (DM), ultralight vector DM can be probed by laser interferometric gravitational wave detectors through the measurement of oscillating l…

gr-qc2020

Model comparison from LIGO-Virgo data on GW170817's binary components and consequences for the merger remnant

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1191

GW170817 is the very first observation of gravitational waves originating from the coalescence of two compact objects in the mass range of neutron stars, accompanied by electromagn…

cond-mat.str-el2012

Effective tight-binding model for renormalized band structure of Sr2RuO4

V. B. Zabolotnyy, D. V. Evtushinsky, A. A. Kordyuk +7

We derive an effective quasiparticle tight-binding model which is able to describe with high accuracy the low-energy electronic structure of Sr2RuO4 obtained by means of low temper…

cond-mat.str-el2021

Electronic reconstruction forming a -symmetric Dirac semimetal in CaRuO

M. Horio, Q. Wang, V. Granata +19

Electronic band structures in solids stem from a periodic potential reflecting the structure of either the crystal lattice or an electronic order. In the stoichiometric ruthenate C…

gr-qc2020

Search for intermediate mass black hole binaries in the first and second observing runs of the Advanced LIGO and Virgo network

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1196

Gravitational wave astronomy has been firmly established with the detection of gravitational waves from the merger of ten stellar mass binary black holes and a neutron star binary.…

astro-ph.HE2022

Constraints from LIGO O3 data on gravitational-wave emission due to r-modes in the glitching pulsar PSR J0537-6910

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1595

We present a search for continuous gravitational-wave emission due to r-modes in the pulsar PSR J0537-6910 using data from the LIGO-Virgo Collaboration observing run O3. PSR J0537-…

gr-qc2026

Constraints on gravitational waves from the 2024 Vela pulsar glitch

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1774

Among known neutron stars, the Vela pulsar is one of the best targets for gravitational-wave searches. It is also one of the most prolific in terms of glitches, sudden frequency ch…

gr-qc2021

All-sky search for short gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1630

This paper presents the results of a search for generic short-duration gravitational-wave transients in data from the third observing run of Advanced LIGO and Advanced Virgo. Trans…

gr-qc2021

All-sky search in early O3 LIGO data for continuous gravitational-wave signals from unknown neutron stars in binary systems

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1369

Rapidly spinning neutron stars are promising sources of persistent, continuous gravitational waves. Detecting such a signal would allow probing of the physical properties of matter…

cond-mat.supr-con2008

Multiple superconducting transitions in the Sr3Ru2O7 region of Sr3Ru2O7-Sr2RuO4 eutectic crystals

S. Kittaka, S. Fusanobori, S. Yonezawa +4

We report superconducting properties of Sr3Ru2O7-Sr2RuO4 eutectic crystals, consisting of the spin-triplet superconductor Sr2RuO4 with a monolayer stacking of RuO2 planes and the m…

astro-ph.HE2020

Gravitational-wave constraints on the equatorial ellipticity of millisecond pulsars

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1333

We present a search for continuous gravitational waves from five radio pulsars, comprising three recycled pulsars (PSR J0437-4715, PSR J0711-6830, and PSR J0737-3039A) and two youn…

astro-ph.HE2021

Population Properties of Compact Objects from the Second LIGO-Virgo Gravitational-Wave Transient Catalog

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1338

We report on the population of the 47 compact binary mergers detected with a false-alarm rate 1/yr in the second LIGO--Virgo Gravitational-Wave Transient Catalog, GWTC-2. We observ…

gr-qc2023

Search for gravitational-lensing signatures in the full third observing run of the LIGO-Virgo network

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1692

Gravitational lensing by massive objects along the line of sight to the source causes distortions of gravitational wave-signals; such distortions may reveal information about funda…

cond-mat.str-el2020

Oxide Fermi liquid universality revealed by electron spectroscopy

M. Horio, K. P. Kramer, Q. Wang +27

We present a combined soft x-ray and high-resolution vacuum-ultraviolet angle-resolved photoemission spectroscopy study of the electron-overdoped cuprate PrLaCe$_…

astro-ph.HE2025

GWTC-4.0: Population Properties of Merging Compact Binaries

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1805

We detail the population properties of merging compact objects using 158 mergers from the cumulative Gravitational-Wave Transient Catalog 4.0, which includes three types of binary…

astro-ph.CO2021

A gravitational-wave measurement of the Hubble constant following the second observing run of Advanced LIGO and Virgo

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1186

This paper presents the gravitational-wave measurement of the Hubble constant () using the detections from the first and second observing runs of the Advanced LIGO and Virgo d…

astro-ph.HE2026

Deep Search for Joint Sources of Gravitational Waves and High-Energy Neutrinos with IceCube During the Third Observing Run of LIGO and Virgo

The IceCube Collaboration, R. Abbasi, M. Ackermann +2209

The discovery of joint sources of high-energy neutrinos and gravitational waves has been a primary target for the LIGO, Virgo, KAGRA, and IceCube observatories. The joint detection…

cond-mat.str-el2015

Spin-Orbit-Induced Orbital Excitations in Sr2RuO4 and Ca2RuO4: A Resonant Inelastic X-ray Scattering Study

C. G. Fatuzzo, M. Dantz, S. Fatale +14

High-resolution resonant inelastic X-ray scattering (RIXS) at the oxygen K-edge has been used to study the orbital excitations of Ca2RuO4 and Sr2RuO4. In combination with linear di…

gr-qc2020

GW190521: A Binary Black Hole Merger with a Total Mass of

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1253

On May 21, 2019 at 03:02:29 UTC Advanced LIGO and Advanced Virgo observed a short duration gravitational-wave signal, GW190521, with a three-detector network signal-to-noise ratio…

cond-mat.supr-con2007

Superconductivity in Sr2RuO4-Sr3Ru2O7 eutectic crystals

R. Fittipaldi, A. Vecchione, R. Ciancio +9

Superconducting behavior has been observed in the Sr2RuO4-Sr3Ru2O7 eutectic system as grown by the flux-feeding floating zone technique. A supercurrent flows across a single interf…

astro-ph.HE2023

A Joint Fermi-GBM and Swift-BAT Analysis of Gravitational-Wave Candidates from the Third Gravitational-wave Observing Run

C. Fletcher, J. Wood, R. Hamburg +1696

We present Fermi Gamma-ray Burst Monitor (Fermi-GBM) and Swift Burst Alert Telescope (Swift-BAT) searches for gamma-ray/X-ray counterparts to gravitational wave (GW) candidate even…

gr-qc2026

GW240925 and GW250207: Astrophysical Calibration of Gravitational-wave Detectors

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1839

GW240925 and GW250207 are two loud gravitational-wave signals from binary black hole coalescences observed with network signal-to-noise ratios and , respectively…

gr-qc2022

First joint observation by the underground gravitational-wave detector, KAGRA, with GEO600

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1669

We report the results of the first joint observation of the KAGRA detector with GEO600. KAGRA is a cryogenic and underground gravitational-wave detector consisting of a laser inter…

gr-qc2025

Tests of General Relativity with Binary Black Holes from the second LIGO-Virgo Gravitational-Wave Transient Catalog

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1344

Gravitational waves enable tests of general relativity in the highly dynamical and strong-field regime. Using events detected by LIGO-Virgo up to 1 October 2019, we evaluate the co…

gr-qc2022

Search for anisotropic gravitational-wave backgrounds using data from Advanced LIGO and Advanced Virgo's first three observing runs

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1589

We report results from searches for anisotropic stochastic gravitational-wave backgrounds using data from the first three observing runs of the Advanced LIGO and Advanced Virgo det…

gr-qc2026

GWTC-4.0: Tests of General Relativity. II. Parameterized Tests

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1785

In this second of three papers on tests of general relativity (GR) applied to the compact binary coalescence signals in the 4th Gravitational-Wave Transient Catalog (GWTC-4.0), we…

astro-ph.HE2022

Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1694

We present a targeted search for continuous gravitational waves (GWs) from 236 pulsars using data from the third observing run of LIGO and Virgo (O3) combined with data from the se…

cond-mat.str-el2023

Magnetic structure of the magnetoelectric material BaMnGeO

A. Sazonov, H. Thoma, R. Dutta +7

A detailed investigation of BaMnGeO was performed in its low-temperature magnetoelectric state combining neutron diffraction with magnetization measurements on single c…

cond-mat.str-el2019

Layer dependent antiferromagnetism in the Sr4Ru3O10 ruthenate at the metamagnetic-like transition

L. Capogna, V. Granata, B. Ouladdiaf +3

We have investigated the metamagnetic-like transition in the triple layer ruthenate Sr4Ru3O10 by means of neutron diffraction from single crystals. The magnetic structure of the co…

cond-mat.str-el2025

Evidence of electronic states driving current-induced insulator-to-metal transition

V. K. Bhartiya, R. Hartmann, F. Forte +16

On demand current-driven insulator-to-metal transition (IMT) is pivotal for the next generation of energy-efficient and scalable microelectronics. IMT is a key phenomenon observed…

gr-qc2026

GWTC-4.0: An Introduction to Version 4.0 of the Gravitational-Wave Transient Catalog

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1808

The Gravitational-Wave Transient Catalog (GWTC) is a collection of short-duration (transient) gravitational wave signals identified by the LIGO-Virgo-KAGRA Collaboration in gravita…

gr-qc2025

Tests of General Relativity with GWTC-3

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1682

The ever-increasing number of detections of gravitational waves (GWs) from compact binaries by the Advanced LIGO and Advanced Virgo detectors allows us to perform ever-more sensiti…

astro-ph.HE2025

GW231123: a Binary Black Hole Merger with Total Mass 190-265

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1771

On 2023 November 23 the two LIGO observatories both detected GW231123, a gravitational-wave signal consistent with the merger of two black holes with masses $137^{+23}_{-18}\, M_\o…

gr-qc2026

GWTC-4.0: Updating the Gravitational-Wave Transient Catalog with Observations from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1786

Version 4.0 of the Gravitational-Wave Transient Catalog (GWTC-4.0) adds new candidates detected by the LIGO, Virgo, and KAGRA observatories through the first part of the fourth obs…

cond-mat.str-el2016

Hallmarks of Hund's coupling in the Mott insulator CaRuO

D. Sutter, C. G. Fatuzzo, S. Moser +22

A paradigmatic case of multi-band Mott physics including spin-orbit and Hund's coupling is realised in CaRuO. Progress in understanding the nature of this Mott insulating p…

cond-mat.str-el2026

Ambipolar doping-induced surface in-gap state on Mott-insulating CaRuO

M. Horio, T. Wada, V. Granata +4

We report an x-ray photoemission spectroscopy study of CaRuO surface-dosed with Cs alkali atoms and C molecules. Due to its small ionization energy (large electron a…

astro-ph.HE2022

All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1669

This paper describes the first all-sky search for long-duration, quasi-monochromatic gravitational-wave signals emitted by ultralight scalar boson clouds around spinning black hole…

astro-ph.HE2021

Diving below the spin-down limit: Constraints on gravitational waves from the energetic young pulsar PSR J0537-6910

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1589

We present a search for continuous gravitational-wave signals from the young, energetic X-ray pulsar PSR J0537-6910 using data from the second and third observing runs of LIGO and…

astro-ph.HE2022

Search for Gravitational Waves Associated with Fast Radio Bursts Detected by CHIME/FRB During the LIGO--Virgo Observing Run O3a

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1654

We search for gravitational-wave transients associated with fast radio bursts (FRBs) detected by the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst Project (CHIME/…

astro-ph.CO2024

Constraints on dark photon dark matter using data from LIGO's and Virgo's third observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1627

We present a search for dark photon dark matter that could couple to gravitational-wave interferometers using data from Advanced LIGO and Virgo's third observing run. To perform th…

gr-qc2021

All-sky search for long-duration gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1627

After the detection of gravitational waves from compact binary coalescences, the search for transient gravitational-wave signals with less well-defined waveforms for which matched…

astro-ph.HE2020

Properties and astrophysical implications of the 150 Msun binary black hole merger GW190521

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1254

The gravitational-wave signal GW190521 is consistent with a binary black hole merger source at redshift 0.8 with unusually high component masses, and $6…

cond-mat.str-el2017

In-depth study of the phase diagram of Sr4Ru3O10 by magnetization experiments

F. Weickert, L. Civale, B. Maiorov +7

We present magnetization measurements on Sr4Ru3O10 as a function of temperature and magnetic field applied perpendicular to the magnetic easy -axis inside the ferromagnetic phas…

gr-qc2026

GWTC-4.0: Tests of General Relativity. I. Overview and General Tests

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1781

The worldwide LIGO-Virgo-KAGRA network of gravitational-wave (GW) detectors continues to increase in sensitivity, thus increasing the quantity and quality of the detected GW signal…

cond-mat.supr-con2011

Long- to short-range magnetic order in fluorine-doped CeFeAsO

T. Shiroka, G. Lamura, S. Sanna +13

The evolution of the antiferromagnetic order parameter in CeFeAsO_{1-x}F_{x} as a function of the fluorine content x was investigated primarily via zero-field muon-spin spectroscop…

astro-ph.HE2026

Searches for Binary Mergers with Sub-solar Mass Components in Data from the First Part of LIGO--Virgo--KAGRA's Fourth Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1834

We report on a gravitational wave search for compact binary coalescences involving at least one component with mass between to , and ratio of component m…

cond-mat.str-el2023

Orbital-selective metal skin induced by alkali-metal-dosing Mott-insulating CaRuO

M. Horio, F. Forte, D. Sutter +21

Doped Mott insulators are the starting point for interesting physics such as high temperature superconductivity and quantum spin liquids. For multi-band Mott insulators, orbital se…

gr-qc2019

All-sky search for long-duration gravitational-wave transients in the second Advanced LIGO observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1183

We present the results of a search for long-duration gravitational-wave transients in the data from the Advanced LIGO second observation run; we search for gravitational-wave trans…

cond-mat.supr-con2011

Surface and bulk electronic structure of unconventional superconductor Sr_2RuO_4: unusual splitting of the beta-band

V. B. Zabolotnyy, E. Carleschi, T. K. Kim +10

We present an angle resolved photoemission study of the surface and bulk electronic structure of the single layer ruthenate SrRuO. As the early studies of its electronic st…

cond-mat.supr-con2008

Superconducting properties of Nb thin films deposited on porous silicon templates

M. Trezza, S. L. Prischepa, C. Cirillo +9

Porous silicon, obtained by electrochemical etching, has been used as a substrate for the growth of nanoperforated Nb thin films. The films, deposited by UHV magnetron sputtering o…

astro-ph.HE2019

Search for gravitational-wave signals associated with gamma-ray bursts during the second observing run of Advanced LIGO and Advanced Virgo

B. P. Abbott, R. Abbott, T. D. Abbott +1196

We present the results of targeted searches for gravitational-wave transients associated with gamma-ray bursts during the second observing run of Advanced LIGO and Advanced Virgo,…

astro-ph.HE2024

Search for subsolar-mass black hole binaries in the second part of Advanced LIGO's and Advanced Virgo's third observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1702

We describe a search for gravitational waves from compact binaries with at least one component with mass 0.2 -- and mass ratio in Advanced LIGO…

astro-ph.HE2020

GW190425: Observation of a Compact Binary Coalescence with Total Mass

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1199

On 2019 April 25, the LIGO Livingston detector observed a compact binary coalescence with signal-to-noise ratio 12.9. The Virgo detector was also taking data that did not contribut…

gr-qc2022

Narrowband searches for continuous and long-duration transient gravitational waves from known pulsars in the LIGO-Virgo third observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1658

Isolated neutron stars that are asymmetric with respect to their spin axis are possible sources of detectable continuous gravitational waves. This paper presents a fully-coherent s…

astro-ph.HE2025

Swift-BAT GUANO follow-up of gravitational-wave triggers in the third LIGO-Virgo-KAGRA observing run

Gayathri Raman, Samuele Ronchini, James Delaunay +1819

We present results from a search for X-ray/gamma-ray counterparts of gravitational-wave (GW) candidates from the third observing run (O3) of the LIGO-Virgo-KAGRA (LVK) network usin…

astro-ph.HE2020

GW190412: Observation of a Binary-Black-Hole Coalescence with Asymmetric Masses

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1254

We report the observation of gravitational waves from a binary-black-hole coalescence during the first two weeks of LIGO's and Virgo's third observing run. The signal was recorded…

astro-ph.IM2026

Advanced Virgo Plus for O5 -- Design Report Overview

F. Acernese, A. Agapito, D. Agarwal +578

This document presents an overview of the design, implementation, and expected performance of the Advanced Virgo Plus (AdV+) upgrades in view of the O5 observing run. Following the…

astro-ph.HE2020

A Joint Fermi-GBM and LIGO/Virgo Analysis of Compact Binary Mergers From the First and Second Gravitational-wave Observing Runs

ray Burst Monitor Team, the LIGO Scientific Collaboration, the Virgo Collaboration +1262

We present results from offline searches of Fermi Gamma-ray Burst Monitor (GBM) data for gamma-ray transients coincident with the compact binary coalescences observed by the gravit…

gr-qc2026

Searches for Continuous Gravitational Waves from Supernova Remnants in the first part of the LIGO-Virgo-KAGRA Fourth Observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1764

We present results from directed searches for continuous gravitational waves from a sample of 15 nearby supernova remnants, likely hosting young neutron star candidates, using data…

gr-qc2025

All-sky search for continuous gravitational-wave signals from unknown neutron stars in binary systems in the first part of the fourth LIGO-Virgo-KAGRA observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1765

We present the results of a blind all-sky search for continuous gravitational-wave signals from neutron stars in binary systems using data from the first part of the fourth observi…

astro-ph.HE2025

The population of merging compact binaries inferred using gravitational waves through GWTC-3

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1634

We report on the population properties of compact binary mergers inferred from gravitational-wave observations of these systems during the first three LIGO-Virgo observing runs. Th…

astro-ph.HE2025

Search for gravitational waves emitted from SN 2023ixf

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1780

We present the results of a search for gravitational-wave transients associated with core-collapse supernova SN 2023ixf, which was observed in the galaxy Messier 101 via optical em…

gr-qc2023

Open data from the third observing run of LIGO, Virgo, KAGRA and GEO

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1741

The global network of gravitational-wave observatories now includes five detectors, namely LIGO Hanford, LIGO Livingston, Virgo, KAGRA, and GEO 600. These detectors collected data…

gr-qc2021

Search for lensing signatures in the gravitational-wave observations from the first half of LIGO-Virgo's third observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1378

We search for signatures of gravitational lensing in the gravitational-wave signals from compact binary coalescences detected by Advanced LIGO and Advanced Virgo during O3a, the fi…

gr-qc2022

Search for gravitational waves from Scorpius X-1 with a hidden Markov model in O3 LIGO data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1669

Results are presented for a semi-coherent search for continuous gravitational waves from the low-mass X-ray binary Scorpius X-1, using a hidden Markov model (HMM) to allow for spin…

cond-mat.supr-con2007

Sub-THz electrodynamics of the graphene-like superconductor CaAlSi

S. Lupi, L. Baldassarre, M. Ortolani +7

We report the first optical study of CaAlSi, a superconductor which displays both the crystal structure of MgB2 and the electronic band structure of intercalated graphites. The ref…

astro-ph.CO2019

Search for sub-solar mass ultracompact binaries in Advanced LIGO's second observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, B. P. Abbott +1187

We present an Advanced LIGO and Advanced Virgo search for sub-solar mass ultracompact objects in data obtained during Advanced LIGO's second observing run. In contrast to a previou…

astro-ph.CO2025

Direct multi-model dark-matter search with gravitational-wave interferometers using data from the first part of the fourth LIGO-Virgo-KAGRA observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1767

Gravitational-wave detectors can probe the existence of dark matter with exquisite sensitivity. Here, we perform a search for three kinds of dark matter -- dilatons (spin-0), dark…

gr-qc2026

GWTC-4.0: Methods for Identifying and Characterizing Gravitational-wave Transients

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1809

The Gravitational-Wave Transient Catalog (GWTC) is a collection of candidate gravitational-wave transient signals identified and characterized by the LIGO-Virgo-KAGRA Collaboration…

cond-mat.str-el2016

Raman phonon spectrum of the Dzyaloshinskii-Moriya helimagnet Ba2CuGe2O7

F. Capitani, S. Koval, R. Fittipaldi +9

The Raman spectrum of Ba2CuGe2O7, a tetragonal insulator which develops Dzyaloshinsky- Moriya helical magnetism below TN = 3.2 K, has been detected at temperatures varying from 300…

astro-ph.HE2022

Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO--Virgo data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1667

We present a directed search for continuous gravitational wave (CW) signals emitted by spinning neutron stars located in the inner parsecs of the Galactic Center (GC). Compelling e…

astro-ph.HE2021

Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift During the LIGO-Virgo Run O3b

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1632

We search for gravitational-wave signals associated with gamma-ray bursts detected by the Fermi and Swift satellites during the second half of the third observing run of Advanced L…

gr-qc2025

Cosmological and High Energy Physics implications from gravitational-wave background searches in LIGO-Virgo-KAGRA's O1-O4a runs

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1769

We search for gravitational-wave background signals produced by various early Universe processes in the Advanced LIGO O4a dataset, combined with the data from the earlier O1, O2, a…

gr-qc2022

GWTC-2.1: Deep Extended Catalog of Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1429

The second Gravitational-Wave Transient Catalog reported on 39 compact binary coalescences observed by the Advanced LIGO and Advanced Virgo detectors between 1 April 2019 15:00 UTC…

gr-qc2022

Virgo Detector Characterization and Data Quality during the O3 run

F. Acernese, M. Agathos, A. Ain +491

The Advanced Virgo detector has contributed with its data to the rapid growth of the number of detected gravitational-wave signals in the past few years, alongside the two LIGO ins…

astro-ph.HE2024

Observation of Gravitational Waves from the Coalescence of a Compact Object and a Neutron Star

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1793

We report the observation of a coalescing compact binary with component masses and (all measurements quoted at the 90% credible le…

gr-qc2023

GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1659

The third Gravitational-Wave Transient Catalog (GWTC-3) describes signals detected with Advanced LIGO and Advanced Virgo up to the end of their third observing run. Updating the pr…

cond-mat.str-el2014

Optical Response of SrRuO Reveals Universal Fermi-liquid Scaling and Quasiparticles Beyond Landau Theory

D. Stricker, J. Mravlje, C. Berthod +4

We report optical measurements demonstrating that the low-energy relaxation rate () of the conduction electrons in SrRuO obeys scaling relations for its frequency ($Ï…

gr-qc2025

Upper Limits on the Isotropic Gravitational-Wave Background from the first part of LIGO, Virgo, and KAGRA's fourth Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1773

We present results from the search for an isotropic gravitational-wave background using Advanced LIGO and Advanced Virgo data from O1 through O4a, the first part of the fourth obse…

gr-qc2025

All-sky search for long-duration gravitational-wave transients in the first part of the fourth LIGO-Virgo-KAGRA Observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1772

We present an all-sky search for long-duration gravitational waves (GWs) from the first part of the LIGO-Virgo-KAGRA fourth observing run (O4), called O4a and comprising data taken…

cond-mat.str-el2019

Emergence of a metallic meta-stable phase induced by electrical current in Ca_2RuO_4

C. Cirillo, V. Granata, G. Avallone +4

A comprehensive study of the behavior of the Mott insulator Ca_2RuO_4 under electrical current drive is performed by combining two experimental probes: the macroscopic electrical t…

gr-qc2026

GW230814: investigation of a loud gravitational-wave signal observed with a single detector

The LIGO Scientific Collaboration, The Virgo Collaboration, The Kagra Collaboration +1783

GW230814, detected by the LIGO Livingston observatory with a signal-to-noise ratio of 42.4, represents the loudest gravitational-wave signal in the GWTC-4.0 catalog. Its source is…

astro-ph.IM2019

On the performance limits of coatings for gravitational wave detectors made of alternating layers of two materials

V. Pierro, V. Fiumara, F. Chiadini +9

The coating design for mirrors used in interferometric detectors of gravitational waves currently consists of stacks of two alternating dielectric materials with different refracti…

cond-mat.mtrl-sci2014

Infrared phonon spectrum of the tetragonal helimagnet BaCuGeO

A. Nucara, W. S. Mohamed, L. Baldassarre +6

The lattice dynamics of BaCuGeO, a compound which develops Dzyaloshinsky-Moriya (DM) helical magnetism below = 3.2 K, has been studied by measuring the infrared r…

gr-qc2023

Virgo Detector Characterization and Data Quality: tools

F. Acernese, M. Agathos, A. Ain +491

Detector characterization and data quality studies -- collectively referred to as {\em DetChar} activities in this article -- are paramount to the scientific exploitation of the jo…

physics.optics2021

Ternary Quarter Wavelength Coatings for Gravitational Wave Detector Mirrors: Design Optimization via Exhaustive Search

V. Pierro, V. Fiumara, F. Chiadini +9

Multimaterial optical coatings are a promising viable option to meet the challenging requirements (in terms of transmittance, absorbance and thermal noise) of next generation gravi…

astro-ph.CO2021

Search for subsolar-mass binaries in the first half of Advanced LIGO and Virgo's third observing run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1634

We report on a search for compact binary coalescences where at least one binary component has a mass between 0.2 and 1.0 in Advanced LIGO and Advanced Virgo dat…

gr-qc2021

All-sky Search for Continuous Gravitational Waves from Isolated Neutron Stars in the Early O3 LIGO Data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1587

We report on an all-sky search for continuous gravitational waves in the frequency band 20-2000\,Hz and with a frequency time derivative in the range of

gr-qc2023

Virgo Detector Characterization and Data Quality: results from the O3 run

F. Acernese, M. Agathos, A. Ain +491

The Advanced Virgo detector has contributed with its data to the rapid growth of the number of detected gravitational-wave (GW) signals in the past few years, alongside the two Adv…

cond-mat.str-el2017

Missing magnetism in SrRuO: Indication for Antisymmetric Exchange Interaction

F. Weickert, L. Civale, B. Maiorov +7

We report a detailed study of the magnetization modulus as a function of temperature and applied magnetic field under varying angle in SrRuO close to the metamag…

cond-mat.supr-con2012

A new approach for improving global critical current density in Fe(Se0.5Te0.5) polycrystalline materials

A. Palenzona, A. Sala, C. Bernini +13

A novel method to prepare bulk Fe(Se0.5Te0.5) samples is presented, based on a melting process and a subsequent annealing treatment. With respect to the standard sintering techniqu…

gr-qc2025

Directional Search for Persistent Gravitational Waves: Results from the First Part of LIGO-Virgo-KAGRA's Fourth Observing Run

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1765

The angular distribution of gravitational-wave power from persistent sources may exhibit anisotropies arising from the large-scale structure of the Universe. This motivates directi…

gr-qc2026

All-sky, all-frequency directional search for persistent gravitational-waves from Advanced LIGO's and Advanced Virgo's first three observing runs

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1627

We present the first results from an all-sky all-frequency (ASAF) search for an anisotropic stochastic gravitational-wave background using the data from the first three observing r…