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math.PR2022★ 2 cited

Limit theory of sparse random geometric graphs in high dimensions

Gilles Bonnet, Christian Hirsch, Daniel Rosen +1

We study topological and geometric functionals of -random geometric graphs on the high-dimensional torus in a sparse regime, where the expected number of neighbors decays…

cond-mat.mes-hall2022★ 6 cited

Nanoscale view of engineered massive Dirac quasiparticles in lithographic superstructures

Alfred J. H. Jones, Lene Gammelgaard, Mikkel O. Sauer +13

Massive Dirac fermions are low-energy electronic excitations characterized by a hyperbolic band dispersion. They play a central role in several emerging physical phenomena such as…

physics.atom-ph2022★ 1 cited

Nonequilibrium steady state in a large magneto-optical trap

Marius Gaudesius, Yong-Chang Zhang, Thomas Pohl +2

Considering light-mediated long-range interactions between cold atoms in a magneto-optical trap (MOT), we present numerical evidence of a nonequilibrium steady state (NESS) for suf…

astro-ph.HE2022★ 96 cited

The prevalence and influence of circumstellar material around hydrogen-rich supernova progenitors

Rachel J. Bruch, Avishay Gal-Yam, Ofer Yaron +44

Narrow transient emission lines (flash-ionization features) in early supernova (SN) spectra trace the presence of circumstellar material (CSM) around the massive progenitor stars o…

astro-ph.HE2022★ 11 cited

SN 2021fxy: Mid-Ultraviolet Flux Suppression is a Common Feature of Type Ia Supernovae

J. M. DerKacy, S. Paugh, E. Baron +26

We present ultraviolet (UV) to near-infrared (NIR) observations and analysis of the nearby Type Ia supernova SN 2021fxy. Our observations include UV photometry from Swift/UVOT, UV…

cs.FL2022★ 3 cited

Efficient Convex Zone Merging in Parametric Timed Automata

Étienne André, Dylan Marinho, Laure Petrucci +1

Parametric timed automata are a powerful formalism for reasoning on concurrent real-time systems with unknown or uncertain timing constants. Reducing their state space is a signifi…

physics.atom-ph2022★ 2 cited

Strong-field ionization and AC-Stark shifted Rydberg states in OCS

Mahmoud Abu-samha, Lars Bojer Madsen

We present theoretical results for intensity-dependent above-threshold ionization (ATI) spectra from oriented OCS molecules probed by intense femtosecond laser pulses with waveleng…

astro-ph.EP2022★ 14 cited

Search for planets around stars with wide brown dwarfs

J. Šubjak, N. Lodieu, P. Kabáth +6

Aims. The project aims to understand better the role of wide brown dwarf companions on planetary systems. Methods. We obtained high-resolution spectra of six bright stars with co-m…

physics.atom-ph2022★ 19 cited

Laser-induced Coulomb Explosion Imaging of Alkali Dimers on Helium Nanodroplets

Henrik H. Kristensen, Lorenz Kranabetter, Constant A. Schouder +3

Alkali dimers, , residing on the surface of He nanodroplets are doubly ionized due to multiphoton absorption from an intense, 50-fs laser pulse leading to fragmentat…

cond-mat.mtrl-sci2022★ 29 cited

Charge density wave induced nodal lines in LaTe

Shuvam Sarkar, Joydipto Bhattacharya, Pampa Sadhukhan +11

LaTe is a noncentrosymmetric (NC) material with time reversal (TR) symmetry in which the charge density wave (CDW) is hosted by the Te bilayers. Here, we show that LaTe hos…

astro-ph.SR2022★ 36 cited

TESS observations of the Pleiades cluster: a nursery for delta Scuti stars

Timothy R. Bedding, Simon J. Murphy, Courtney Crawford +8

We studied 89 A- and F-type members of the Pleiades open cluster, including five escaped members. We measured projected rotational velocities (v sin i) for 49 stars and confirmed t…

cond-mat.mes-hall2022★ 15 cited

Finite-size Topology

Ashley M. Cook, Anne E. B. Nielsen

We show that topological characterization and classification in -dimensional systems, which are thermodynamically large in only dimensions and finite in size in dimens…

physics.ed-ph2022

Modelling assisted tunneling on the Bloch sphere using the Quantum Composer

Jonas Bley, Vieri Mattei, Simon Goorney +2

The Bloch sphere representation is a geometric model for all possible quantum states of a two-level system that can be used to describe the time dynamics of a qubit. As explicit ap…

astro-ph.SR2022★ 10 cited

FX UMa: A New Heartbeat Binary System with Linear and Non-linear Tidal Oscillations and delta Sct Pulsations

Kun Wang, Anbing Ren, Mads Fredslund Andersen +3

We present a detailed analysis of an eclipsing double-lined binary FX UMa based on TESS photometry and newly acquired spectroscopic observations. The radial velocities and atmosphe…

physics.flu-dyn2022★ 36 cited

Physics-guided machine learning for wind-farm power prediction: Toward interpretability and generalizability

Navid Zehtabiyan-Rezaie, Alexandros Iosifidis, Mahdi Abkar

With the increasing amount of available data from simulations and experiments, research for the development of data-driven models for wind-farm power prediction has increased signi…

math.NT2022

Attainable measures for certain types of p-adic Duffin--Schaeffer sets

Mathias Løkkegaard Laursen

This paper settles recent conjectures concerning the -adic Haar measure applied to a family of sets defined in terms of Diophantine approximation. This is done by determining th…

cond-mat.mes-hall2022★ 7 cited

Microscopic theory of polariton-polariton interactions

Esben R. Christensen, Arturo Camacho-Guardian, Ovidiu Cotlet +4

We develop a comprehensive theoretical model for the interaction strength between a pair of exciton-polaritons in microcavity devices. Ab initio numerical calculations for dipolar…

cs.LG2022★ 3 cited

Bagging is an Optimal PAC Learner

Kasper Green Larsen

Determining the optimal sample complexity of PAC learning in the realizable setting was a central open problem in learning theory for decades. Finally, the seminal work by Hanneke…

astro-ph.EP2022★ 9 cited

Radial velocity confirmation of a hot super-Neptune discovered by TESS with a warm Saturn-mass companion

E. Knudstrup, D. Gandolfi, G. Nowak +59

We report the discovery and confirmation of the planetary system TOI-1288. This late G dwarf harbours two planets: TOI-1288 b and TOI-1288 c. We combine TESS space-borne and ground…

astro-ph.SR2022★ 5 cited

V838 Mon: A slow waking up of Sleeping Beauty?

T. Liimets, I. Kolka, M. Kraus +15

Context. V838 Monocerotis is a peculiar binary that underwent an immense stellar explosion in 2002, leaving behind an expanding cool supergiant and a hot B3V companion. Five years…

astro-ph.HE2022★ 131 cited

A very luminous jet from the disruption of a star by a massive black hole

Igor Andreoni, Michael W. Coughlin, Daniel A. Perley +78

Tidal disruption events (TDEs) are bursts of electromagnetic energy released when supermassive black holes (SMBHs) at the centers of galaxies violently disrupt a star that passes t…

astro-ph.GA2022★ 11 cited

Energy transfer and restructuring in amorphous solid water upon consecutive irradiation

Herma M. Cuppen, Jennifer A. Noble, Stephane Coussan +2

Interstellar and cometary ices play an important role in the formation of planetary systems around young stars. Their main constituent is amorphous solid water (ASW). Although ASW…

astro-ph.EP2022★ 16 cited

Spectral analysis of basaltic asteroids observed by the Gaia space mission

Dagmara Oszkiewicz, Hanna Klimczak, Benoit Carry +4

There is a great deal of scientific interest in characterizing the basaltic asteroids (spectrally classified as V-types), as they are the key to understanding planetesimal formatio…

physics.acc-ph2022★ 6 cited

Design and Performance of a Novel Low Energy Multi-Species Beamline for the ALPHA Antihydrogen Experiment

C. J. Baker, W. Bertsche, A. Capra +47

The ALPHA Collaboration, based at the CERN Antiproton Decelerator, has recently implemented a novel beamline for low-energy ( 100 eV) positron and antiproton transport be…