Geometric Aharonov-Bohm phase effect around a black holeIn recent work, we have explored the novel possibility that the geodesic of a spacetime density flow in GR could be upgraded to an amplitude ψ with density |ψ|2. We now show how exactly the…Kaushlendra Kumar, Shahn Majid·Jul 8, 2026SaveLearn
Thermodynamic formulation of Cotton gravity in the Codazzi parametrizationWe develop a thermodynamic formulation of Cotton gravity in the Codazzi parametrization, providing a general framework in which the gravitational dynamics can be interpreted in terms of horizon…Shayesteh Ghaffari, Giuseppe Gaetano Luciano, Carlo Alberto Mantica·Jul 8, 2026SaveLearn
Parameter-estimation bias induced by transient orbital resonances in extreme-mass-ratio inspiralsGiven the multifrequency nature of relativistic orbits, transient orbital resonances are expected to be ubiquitous during an extreme-mass-ratio inspiral (EMRI). At a resonance, the orbital dynamics…Edoardo Levati, Alejandro Cárdenas-Avendaño·Jul 8, 2026SaveLearn
Geometrically Regular Black Holes with Hedgehog Scalar HairWe study a simple theory based on general relativity, minimally coupled to a constrained scalar triplet and to an auxiliary non-propagating three-form sector. Within a spherically symmetric hedgehog…Sebastian Bahamonde·Jul 8, 2026SaveLearn
Probing Lorentz-violating effects via precession and accretion disk images in a rotating bumblebee spacetimeWe investigate kinematic and optical signatures of Lorentz violation in the strong-field region of a rotating bumblebee spacetime generated by a scalar-gradient bumblebee field. For generic…Qing Ou, Zhen-Bo Wu, Qian Wan et al.·Jul 8, 2026SaveLearn
Narrowband searches for continuous gravitational waves from known pulsars in the first two parts of the fourth LIGO--Virgo--KAGRA observing runRotating non-axisymmetric neutron stars (NSs) are promising sources for continuous gravitational waves (CWs). Such CWs can, if detected, inform us about the internal structure and equation of state…The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration et al.·Jul 8, 2026SaveLearn
Rethinking Resonance Detectability during Binary Neutron Star Inspiral: Accurate Mismatch Computations for Low-lying Dynamical TidesWe compute deviations from observed gravitational wave signals, where the amplitude of the signal is unchanged. As an example, we consider the detectability of low lying dynamical tides in binary…Alberto Revilla-Peña, Ruxandra Bondarescu, Andrew P. Lundgren et al.·Jul 8, 2026SaveLearn
The diffusion equation is compatible with special relativityDue to its parabolic character, the diffusion equation exhibits instantaneous spatial spreading, and becomes unstable when Lorentz-boosted. According to the conventional interpretation, these…Lorenzo Gavassino·Jul 8, 2026SaveLearn
Dynamical system approach to the spectral (in)stability of black holes under localised potential perturbationsThe aim of this work is to improve understanding of the resonant spectra of black holes under perturbations arising from e.g. compact objects or accretion disks in their vicinity. It is known that…T. Torres, S. R. Dolan·Jul 8, 2026SaveLearn
Phase transitions in scalarized topological AdS black holesWe investigate the behavior of black hole scalarization induced by a charged scalar field in the extended phase space of the asymptotic AdS spacetime with three distinct horizon topologies. The…Zi-Qiang Zhao, Zhang-Yu Nie, Shao-Wen Wei et al.·Jul 8, 2026SaveLearn
Ringdown of a black hole sourced by a Burkert-density effective anisotropic sourceWe construct a static, spherically symmetric black hole spacetime sourced by an effective anisotropic matter distribution whose energy density follows the cored Burkert profile. The source should be…Yi Yang, Gaetano Lambiase, Ali Ovgun et al.·Jul 8, 2026SaveLearn
Assessment of normalizing flows for parameter estimation on time-frequency representations of gravitational-wave dataThe speed-up of parameter estimation is an active field of research in gravitational-wave data analysis. In this paper we present GP15, a deep-learning method that merges residual networks and…Daniel Lanchares, Osvaldo G. Freitas, Lysiane Mornas et al.·Jul 8, 2026SaveLearn
On the conformal group of a globally hyperbolic spacetimeWe study causal and conformal automorphism groups of globally hyperbolic spacetimes using an order-theoretic back-and-forth method on dense countable subsets. In two dimensions we show that any…Ali Bleybel·Jul 8, 2026SaveLearn
All-sky, all-frequency directional search for persistent gravitational-waves from Advanced LIGO's and Advanced Virgo's first three observing runsWe 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 runs of the Advanced…The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration et al.·Jul 8, 2026SaveLearn
Canonical Transformation Path to Gauge Theories of GravityIn this paper, the generic part of the gauge theory of gravity is derived, based on the action principle and on the general principle of relativity. We apply the canonical transformation framework to…J. Struckmeier, J. Muench, D. Vasak et al.·Jul 8, 2026SaveLearn
Exact Einsteinian Black Hole Solution in Dark Matter EnvironmentMotivated by the growing recent interest in black hole solutions immersed in astrophysical dark matter environments, we construct an exact static, spherically symmetric black hole solution sourced by…David Senjaya·Jul 7, 2026SaveLearn
Deformed Compact Objects in General Relativity and Modified GravityNeutron stars and related compact objects are unique laboratories for probing matter at supranuclear densities and gravity in the strong-field regime. In this thesis, we investigate the hydrostatic…Jonathan Tejeda Quartuccio·Jul 7, 2026SaveLearn
A new framework for lightning-fast gravitational wave analysis of pulsar timing dataPulsar timing array data analysis is computationally expensive, limiting the complexity of models which can be studied. As pulsar timing datasets and their respective models grow in size and…Aiden Gundersen, Rutger van Haasteren, Neil J. Cornish et al.·Jul 7, 2026SaveLearn
The Era of Precision in Computational Models of Gravitational WavesEinstein's equations of general relativity are one of the most complicated set of equations in all of physics and, for all but idealized physical settings, can only be solved by numerical methods…Ulrich Sperhake·Jul 7, 2026SaveLearn
Joule-Thomson Effect and Geodesic Structure of Charged AdS Black Holes in f(R,T) Coupled with Nonlinear ElectrodynamicsWe herein study both the Joule-Thomson (JT) expansion process and the geodesic properties of a charged anti-de Sitter (AdS) black hole arising in modified gravity with nonlinear electrodynamic (NLED)…Shyamalee Bora, Dhruba Jyoti Gogoi, Pralay Kumar Karmakar·Jul 7, 2026SaveLearn
Foundations of Direct Waves in Schwarzschild RingdownRecent studies have identified a new component in black-hole ringdown from merging binaries, termed the direct wave. This component was argued to be tied to the dynamical source evolution near…Sizheng Ma, Hai-Yang Wang·Jul 7, 2026SaveLearn
On the image of the scattering map for horizon-regular solutions of the linear scalar wave equation on the Schwarzschild black hole exteriorWe construct Hilbert-space isomorphisms identifying the spaces of radiation fields on the event horizon and null infinity that are induced by the forward scattering map on the Schwarzschild exterior…Hamed Masaood·Jul 7, 2026SaveLearn
Linearized Horndeski Theory with a Potential in the Solar System RegimeIn this paper, the weak-field behavior of linearized Horndeski theory is studied, with emphasis on the role of a scalar potential with a nonvanishing minimum. In this regime, the minimum of the…Hatice Özer·Jul 7, 2026SaveLearn
Starting inflation in asymptotically flat spacetimesA key question in early universe cosmology is whether inflation can be successfully seeded by a generic, localised fluctuation in the inflaton field that probes the inflationary part of the…Sam E. Brady, Thomas W. Baumgarte, Katy Clough·Jul 7, 2026SaveLearn
Observationally Constrained Cosmological model in f(Q,Lm) Gravity with H(z) parameterizationIn the present work, we explore an observationally constrained cosmological model in the framework of f(Q,Lm) gravity, where Q denotes the non-metricity scalar and Lm…Vinod Kumar Bhardwaj, Maxim Khlopov, Maxim Krasnov et al.·Jul 7, 2026SaveLearn