Gravitation & Nuclear · Physics & Astronomy
General Relativity & Quantum Cosmology
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130 papers, from 10 September 2026 to 5 November 2026: 130 arXiv preprints.
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Newest papers, page 3
Quantum-Relativistic Anomalous Proper Time
We investigate surprising consequences of the hypothesis that gravity and proper time obey the quantum superposition principle.Impact of nonlinear electrodynamics on quasinormal modes of rotating black strings
We study massless scalar perturbations of rotating anti-de Sitter black strings sourced by a power-Maxwell field with negative exponent $s$.Multi-orbit S-star probes of Lorentz violation at the Galactic Center
We investigate the potential of Galactic-center S-star observations to probe Lorentz violation in the minimal pure-gravity Standard-Model Extension (SME), focusing on parameter degeneracies…The Galactic Center Reference Frame: A 30-Year Solution
Stellar orbits probe the metric of and mass around the Sgr A* massive black hole.Lasting mEMRIs: Signatures of Multiple Black Hole Extreme Mass Ratio Inspirals from AGN discs
Encounters of stellar-mass black holes (sBH) in active galactic nuclei discs naturally form mean-motion resonances of sBH pairs.Inaccessibility of the Cosmological Singularity to Quantum Probes
We propose an operational resolution of the FLRW big bang singularity using quantum probes satisfying a curvature coupled Klein-Gordon equation.Continuous Measurement of Quantum Axion Dark Matter
We provide a fully quantum-mechanical description of the continuous measurement of wavelike dark matter.Relativistic Strong Quantum Mpemba Effect
The Unruh effect links acceleration to thermalization, providing a relativistic setting for anomalous quantum relaxation.Interacting quantum reference frames
We formulate quantum reference frames within the Dirac quantization of gauge theories, where physical states are obtained from a kinematical Hilbert space $\mathcal{H}_{\rm kin}$ by group averaging.Lamb shift of rotational energy levels in quantum gravity
One of the major challenges of modern foundational physics is the combination of quantum physics and general relativity into a theory of quantum gravity.Subsystem quantum Rényi-Bhattacharyya distance in 2D CFTs and its holographic applications
We develop a systematic method to compute the subsystem fidelity and Rényi fidelity in two-dimensional conformal field theories (CFTs) from the operator product expansion of twist operators, and…Searching for lensed gravitational waves with unlensed templates
Gravitational lensing can split the signal of a binary merger into two images, which either overlap and interfere or arrive as separate events.Photon production at Kepler escape threshold
We obtain an exact closed-form total photon count for a prescribed Newtonian Kepler parabola, with a fully relativistic treatment of its radiation.Squeezing and Decoherence of Axion Dark Matter
Bosonic particles beyond the Standard Model, such as axions, are among the leading candidates for dark matter.Analytic and numerical study of dark matter halos in the Horndeski theory
The models of modified gravity that can explain the late-time accelerated expansion of the Universe must pass the local tests of gravity, introducing a screening mechanism so that any additional…Clustering of JWST LRDs. Implications for PBHs and other early-forming seeds
We use the observed abundance and spatial clustering of JWST little red dots (LRDs) over z = 4--8 to confront two formation scenarios: the standard picture in which LRDs form in virialized…Displacement-noise-free gravitational-wave detector using quantum tomography of photon orbital angular momentum states
Gravitational waves (GWs) induce quantum transitions between photon orbital-angular-momentum (OAM) states with amplitudes $α_{\pm}$.Mixed modified-gravity--modified-inertia MOND theories
It is plausible that in a more fundamental theory of MOND both gravity and inertia will differ from their Newtonian versions.Operational Limits of Gravity-Mediated Entanglement
Tests of gravity-mediated entanglement aim to determine whether two massive objects in spatial superposition can become entangled through their mutual gravitational interaction.Dilaton-Axion Wormhole Partition Function Away from the BPS Endpoint
I determine the leading finite-radius correction to the two-boundary response of a charged axion wormhole near its BPS endpoint.