Black hole thermodynamics is around the cornerWe propose to work on the Euclidean black hole solution with a corner rather than with the prevalent conical singularity. As a result, we find that the Wald formula for black hole entropy can be…Gerui Chen, Wei Guo, Xin Lan et al.·Apr 7, 2026SaveLearn
Planar AdS multi-NUT spacetimes and Kaluza-Klein multi-monopolesIn higher-dimensional Einstein-AdS gravity, it is well known that planar and static anti-de Sitter black holes can be endowed with multiple rotation parameters via a large-gauge transformation.…Cristóbal Corral, Cristián Erices, Daniel Flores-Alfonso et al.·Apr 6, 2026SaveLearn
Exponentially Long Evaporation of Noncommutative Black HoleWe investigate Hawking radiation in noncommutative spacetime. For a dynamical black hole formed by the collapse of a matter shell, we demonstrate that spacetime noncommutativity modifies the…Pei-Ming Ho, Wei-Hsiang Shao, Takuya Yoda·Apr 6, 2026SaveLearn
New-born strings are tensionlessWe report a physical origin of tensionless strings, obtained by formulating string dynamics in finite-lifetime settings for the first time. Departing from the conventional paradigm of eternal…Sudip Karan, Bibhas Ranjan Majhi·Apr 6, 2026SaveLearn
The double-logarithmic four-graviton Regge sector as a rank-two twisted period systemWe study the double-logarithmic four-graviton Regge sector in N-extended supergravity. Its Mellin-space solution is already known in terms of parabolic-cylinder functions. We show that the same…Agustín Sabio Vera·Apr 6, 2026SaveLearn
Untwisting the double copy: the zeroth copy as an optical seedWe present a historical optical foundation for stationary vacuum Kerr--Schild spacetimes on a flat background and interpret it in modern double-copy language. In this setting, a complex optical seed…Damien A. Easson, Michael J. Falato·Apr 6, 2026SaveLearn
Worldline Images for Yang-Mills Theory within BoundariesIn this article we develop a worldline technique based on the method of images to study the effective action associated to Yang-Mills theories on manifolds with boundaries. We consider the…Santiago Christiansen Murguizur, Lucas Manzo, Pablo Pisani·Apr 6, 2026SaveLearn
Quantum SolitonsWe construct geometries describing the quantum backreaction of thermal fields in AdS3. The solutions are obtained from branes in a four-dimensional AdS C-metric. They can be viewed as solutions of…Robie A. Hennigar, Ayan K. Patra, Simon F. Ross·Apr 6, 2026SaveLearn
Feynman integral reduction with intersection theory made simpleFeynman integral reduction based on intersection theory provides an alternative to the traditional integration-by-parts method, yet its practical application has been constrained by the large number…Li-Hong Huang, Yan-Qing Ma, Ziwen Wang et al.·Apr 6, 2026SaveLearn
New Solutions for RG Equations in QCDWe construct simple analytical solutions of renormalization group equations for the running coupling and for the Green functions in QCD in the asymptotic regime. These solutions have an explicit form…R. M. Iakhibbaev, D. I. Kazakov, D. M. Tolkachev·Apr 6, 2026SaveLearn
The Gauge-Invariant Mass FunctionIn gauge theories, the mass of a field has been regarded as a purely on-shell concept: the pole mass is gauge-invariant, but the off-shell propagator has had no gauge-invariant definition of mass. We…Kang-Sin Choi·Apr 6, 2026SaveLearn
Anomalies in family unification models from bordism classificationWe study anomalies in family unification models within the framework of the bordism classification of invertible field theories. These models are based on four-dimensional N=1…Tsubasa Sugeno, Hiroki Wada·Apr 6, 2026SaveLearn
Superradiant Suppression of Non-minimally Coupled Scalar fields for a Rotating Charged dS Black Hole in Conformal Weyl GravityIn this study, we present an analytical investigation of the superradiant scattering of a massive charged conformally coupled scalar field in rotating charged de~Sitter black hole spacetimes within…Owen Gartlan, Jacob March, Leo Rodriguez et al.·Apr 6, 2026SaveLearn
Surgery and statistics in 3d gravityWe extend the correspondence between universal statistical features of large-c 2d CFTs and surgery methods in pure AdS3 quantum gravity. In particular, we introduce a method that we call RMT…Jan de Boer, Joshua Kames-King, Boris Post·Apr 6, 2026SaveLearn
Causality, the Kovtun-Son-Starinets bound, and a novel sum rule for spectral densitiesWe directly show that the local ratio of the shear viscosity to the entropy density for Unruh radiation at a finite distance from the horizon is universal and satisfies the relation $ η/s =…G. Yu. Prokhorov, O. V. Teryaev·Apr 5, 2026SaveLearn
How to Expose a Black HoleAccording to the correspondence principle of Horowitz and Polchinski, many black holes in string theory are continuously deformed to usual quantum systems involving D-branes and fundamental strings…Ashoke Sen·Apr 4, 2026SaveLearn
One-point functions in 2D and 4D SUSY JanusWe calculate one-point functions of the marginal operators dual to the space-varying dilaton in 4D and 2D holographic Janus interfaces, extending the results of Clark2005. We compare the…Andreas Karch, Ainesh Sanyal, Ryan C. Spieler et al.·Apr 3, 2026SaveLearn
Black Hole Interior Operators and Dilatation Symmetry in Planar Black BranesPlanar AdS black branes have a scaling symmetry that maps a brane solution at one temperature to a solution at another. It is natural to expect that boundary representations of bulk field modes…Nirmalya Kajuri·Apr 3, 2026SaveLearn
Poisson Vertex Algebra of Seiberg-Witten TheoryThe space of local operators in the Q-cohomology of the holomorphic-topological supercharge in a four-dimensional N=2 theory carries the structure of a Poisson vertex algebra. This note…Ahsan Z. Khan·Apr 3, 2026SaveLearn
A Closer Look at Constrained InstantonsInstantons play a crucial role in understanding non-perturbative dynamics in quantum field theories, including those with spontaneously broken gauge symmetries. In the broken phase, finite-size…Takafumi Aoki, Masahiro Ibe, Satoshi Shirai·Apr 3, 2026SaveLearn
Electromagnetic instantons and asymmetric Hawking radiation of black holesWe argue that the topological structure of Abelian gauge theories, such as Maxwell electrodynamics, in the background of a Euclidean Schwarzschild black hole manifests itself through an asymmetry in…Archil Kobakhidze, Elden Loomes·Apr 3, 2026SaveLearn
On the -vacua and CP violationRecent claims have suggested the absence of CP violation in theories with a θ-vacuum structure, particularly in quantum chromodynamics. We highlight several key points, from a perspective that is…Archil Kobakhidze·Apr 3, 2026SaveLearn
Gravitational null rays: Covariant Quantization and the Dressing TimeWe quantize the degrees of freedom on a gravitational null ray segment in a fully gauge-invariant manner by using the dressing time as a quantum reference frame (QRF). Our work goes beyond previous…Laurent Freidel, Josh Kirklin·Apr 2, 2026SaveLearn
Effective Field Theory for Superconducting Phase TransitionsEmploying the Schwinger-Keldysh formalism, we formulate an effective field theory for s-wave superconducting phase transition, where the dynamical variables consist of electromagnetic gauge field and…Yanyan Bu, Zexin Yang·Apr 2, 2026SaveLearn
The Wn Light One-Point Torus Conformal BlockWe study the light asymptotic limit of the one-point torus conformal block in An-1 Toda field theory. Through the AGT correspondence, this problem can be translated into the computation of the…Armen Poghosyan, Hasmik Poghosyan·Apr 2, 2026SaveLearn