10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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42 papers · 2 filters
Determinantal Born-Infeld Coupling of Gravity and Electromagnetism
Victor I. Afonso, Cecilia Bejarano, Rafael Ferraro +1
We study a Born-Infeld inspired model of gravity and electromagnetism in which both types of fields are treated on an equal footing via a determinantal approach in a metric-affine…
The role of longitudinal polarizations in Horndeski and macroscopic gravity: Introducing gravitational plasmas
Fabio Moretti, Flavio Bombacigno, Giovanni Montani
We discuss some general and relevant features of longitudinal gravitational modes in Horndeski gravity and their interaction with matter media. Adopting a gauge-invariant formulati…
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…
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…
Search of the Early O3 LIGO Data for Continuous Gravitational Waves from the Cassiopeia A and Vela Jr. Supernova Remnants
The LIGO Scientific Collaboration, the Virgo Collaboration, R. Abbott +1411
We present directed searches for continuous gravitational waves from the neutron stars in the Cassiopeia A (Cas A) and Vela Jr. supernova remnants. We carry out the searches in the…
An infinite class of exact rotating black hole metrics of modified gravity
Victor I. Afonso, Gerardo Mora-Pérez, Gonzalo J. Olmo +2
We build an infinite class of exact axisymmetric solutions of a metric-affine gravity theory, namely, Eddington-inspired Born-Infeld gravity, coupled to an anisotropic fluid as a m…
Can fermion-boson stars reconcile multi-messenger observations of compact stars?
Fabrizio Di Giovanni, Nicolas Sanchis-Gual, Pablo Cerdá-Durán +1
Mixed fermion-boson stars are stable, horizonless, everywhere regular solutions of the coupled Einstein-(complex, massive) Klein-Gordon-Euler system. While isolated neutron stars a…
Classification of the core-collapse supernova explosion mechanism with learned dictionaries
Ainara Saiz-Pérez, Alejandro Torres-Forné, José A. Font
Core-collapse supernovae (CCSN) are a prime source of gravitational waves. Estimations of their typical frequencies make them perfect targets for the current network of advanced, g…
New light rings from multiple critical curves as observational signatures of black hole mimickers
Gonzalo J. Olmo, Diego Rubiera-Garcia, Diego Sáez-Chillón Gómez
We argue that the appearance of additional light rings in a shadow observation - beyond the infinite sequence of exponentially demagnified self-similar rings foreseen in the Kerr s…
Self-interactions can stabilize excited boson stars
Nicolas Sanchis-Gual, Carlos Herdeiro, Eugen Radu
We study the time evolution of spherical, excited ( nodeful) boson star models. We consider a model including quartic self-interactions, controlled by a coupling . Perform…
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…
T-model field equations: the general solution
Joan Josep Ferrando, Salvador Mengual
We analyze the field equations for the perfect fluid solutions admitting a group G of isometries acting on orbits S whose curvature has a gradient that is tangent to the fl…
On the duality of Schwarzschild-de Sitter spacetime and moving mirror
Diego Fernández-Silvestre, Joshua Foo, Michael R. R. Good
The Schwarzschild-de Sitter (SdS) metric is the simplest spacetime solution in general relativity with both a black hole event horizon and a cosmological event horizon. Since the S…
Charged BTZ-type solutions in Eddington-inspired Born-Infeld gravity
Merce Guerrero, Gerardo Mora-Pérez, Gonzalo J. Olmo +2
We construct an axially symmetric solution of Eddington-inspired Born-Infeld gravity coupled to an electromagnetic field in 2+1 dimensions including a (negative) cosmological const…
Measuring the dark matter environments of black hole binaries with gravitational waves
Adam Coogan, Gianfranco Bertone, Daniele Gaggero +2
Large dark matter overdensities can form around black holes of astrophysical and primordial origin as they form and grow. This "dark dress" inevitably affects the dynamical evoluti…
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…
Relativistic positioning: including the influence of the gravitational action of the Sun and the Moon and the Earth's oblateness on Galileo satellites
Neus Puchades Colmenero, José Vicente Arnau Córdoba, Màrius Josep Fullana i Alfonso
Uncertainties in the satellite world lines lead to dominant positioning errors. In the present work, using the approach presented in \cite{neu14}, a new analysis of these errors is…
A thermodynamic approach to the T-models
Joan Josep Ferrando, Salvador Mengual
The perfect fluid solutions admitting a group G of isometries acting on orbits S whose curvature has a gradient which is tangent to the fluid flow (T-models) are studied fr…
Gravitational wave induced baryon acoustic oscillations
Christian Döring, Salvador Centelles Chuliá, Manfred Lindner +2
We study the impact of gravitational waves originating from a first order phase transition on structure formation. To do so, we perform a second order perturbation analysis in the…
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…
Magnetized accretion disks around Kerr black holes with scalar hair -- Nonconstant angular momentum disks
Sergio Gimeno-Soler, José A. Font, Carlos Herdeiro +1
We present new equilibrium solutions of stationary models of magnetized thick disks (or tori) around Kerr black holes with synchronised scalar hair. The models reported here largel…
Quantum correlations across the horizon in acoustic and gravitational Black Holes
Roberto Balbinot, Alessandro Fabbri
We investigate, within the framework of Quantum Field Theory in curved space, the correlations across the horizon of a black hole in order to highlight the particle-partner pair cr…
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 …
An estimate of the gravitational-wave background from the observed cosmological distribution of quasars
Nicolas Sanchis-Gual, Vicent Quilis, José A. Font
We study the gravitational-wave background from the observed cosmological quasar distribution. Using the DR9Q quasar catalogue from the ninth data release of the Sloan Digital Sky…