Quantum Fisher information of the Klein--Gordon and Dirac vacuaThe quantum Fisher information (QFI) of the vacuum of three quantum field theories is evaluated with respect to the mass parameter of each theory. All field theories are considered on a…Preslav Asenov, Alessio Serafini·Jul 29, 2026SaveLearn
World-Line Actions in Weyl GeometryIn this note we construct, from a gauge theory perspective, the world-line action for a particle moving on a time-like curve in Weyl geometry. The action we find is dimensionless, Weyl invariant,…Cezar Condeescu, Andrei Micu·Jul 29, 2026SaveLearn
Static topological dilatonic black hole with multiple horizons and its thermodynamicsWe obtain a static topological charged black hole solution within Einstein-dilaton theory with nonlinear electromagnetic field represented by an infinite series over Maxwell field invariant. In…M. M. Stetsko·Jul 29, 2026SaveLearn
Massive and massless particles in Mielke--Baekler geometriesThe Mielke--Baekler geometries are three-dimensional reductive homogeneous spacetimes together with a choice of invariant connection which is compatible with a lorentzian metric. The spacetimes…Carles Batlle, Roberto Casalbuoni, Daniele Dominici et al.·Jul 29, 2026SaveLearn
Generalized Bergshoeff-de Roo identification in the Supergravity frameThe effective action of string theory has a highly constrained structure due to the numerous symmetries of the underlying theory. Recently, a method known as the Generalized Bergshoeff-de Roo…Walter H. Baron, Fabian A. Portilla·Jul 29, 2026SaveLearn
Dynamical Entropy Is a Noether ChargeBlack hole thermodynamics for generic dynamical, non-equilibrium regimes remains a fundamental challenge. We establish dynamical entropy as the Noether charge associated with a generic evolving null…V. R. Shajiee, M. M. Sheikh-Jabbari, V. Taghiloo·Jul 29, 2026SaveLearn
Holography and Kinematic Space for Gravitational Sub-regions in AdSIt is well-known in integral geometry that a maximally symmetric Riemannian manifold, such as a static slice of vacuum AdS spacetime, can be perfectly covered by the geodesics in the Kinematic space,…Debarshi Basu, Qiang Wen·Jul 29, 2026SaveLearn
Evaporating Black Hole Interior and Complexity EvolutionWe study the evolution of the interior of an evaporating black hole in a simple model of Jackiw-Teitelboim (JT) gravity with an end-of-the-world (EoW) brane, where evaporation is modeled by…Nicolò Bragagnolo, S. Prem Kumar·Jul 29, 2026SaveLearn
CMB Birefringence from Vacuum InterfacesHints of cosmic microwave background polarization rotation (Δ 10-3 rad) are commonly attributed to late-time dynamics of ultralight axions. We show that such ultralight degrees of…Nemanja Kaloper·Jul 29, 2026SaveLearn
Modular wedge localization, Majorana fields and the Tsirelson limit of the Bell-CHSH inequalityThe massive Majorana field in 1+1 dimension is employed to investigate the violation of the Bell-CHSH inequality in relativistic Quantum Field Theory. We give an explicit rapidity-space realization…J. G. A. Caribé, M. S. Guimaraes, I. Roditi et al.·Jul 29, 2026SaveLearn
de Sitter Vacua & pUniversesWe analyze a simple extension of the Schwinger model, which we refer to as the p-Schwinger model, on a de Sitter background. In this theory, the charged massless fermions carry non-unit integer…Jeremias Aguilera-Damia, Dionysios Anninos, Tarek Anous et al.·Jul 29, 2026SaveLearn
The BEF Symplectic Form: A Lagrangian PerspectiveIn 2025, Bernardes, Erler and Firat proposed a novel, elegant expression for the symplectic form on phase space applicable to non-local theories. We show that this BEF symplectic structure can be…Mohd Ali, Georg Stettinger·Jul 29, 2026SaveLearn
Confinement in Holographic Theories at Finite ThetaA strongly coupled confining gauge theory with a non-zero vacuum angle undergoing a deconfinement to confinement phase transition is studied in the holographic gravitational description. A simplified…Rashmish K. Mishra·Jul 29, 2026SaveLearn
Supersymmetry and NonreciprocityNonreciprocal theories are used to model a broad array of non-equilibrium phenomena found in nature ranging from biological systems like networks of neurons to the behavior of overflowing water…Savdeep Sethi, Gabriel Artur Weiderpass·Jul 29, 2026SaveLearn
Massless spinning fields on the Light-Front: quartic vertices and amplitudesWithin the light-front approach in flat space, we study the closure of the Poincaré algebra at the quartic order, specifically the non-holomorphic constraint involving both MHV and anti-MHV vertices.…Mattia Serrani·Jul 29, 2026SaveLearn
Celestial Regge theoryExploiting the analytic properties of scattering amplitudes, we provide an alternative but equivalent definition of the standard Mellin transform used to obtain celestial correlation functions. From…Eduardo Casali, Riccardo Giordana Pozzi·Jul 29, 2026SaveLearn
Probing Stringy Horizons with Pole-Skipping in Non-Maximal Chaotic SystemsIn this paper, we study pole-skipping in non-maximally quantum chaotic systems. Using Rindler conformal field theories and the large-q SYK chain as illustrative examples, we argue that the…Ping Gao, Hong Liu·Jul 29, 2026SaveLearn
Associativity of celestial OPE, higher spins and self-dualityWe highlight and clarify the connection between several ideas and self-dual theories: (a) the operator product expansion (OPE) associativity in celestial conformal field theory (CCFT); (b) the…Mattia Serrani·Jul 29, 2026SaveLearn
Holography at Finite N: Breakdown of Bulk Reconstruction for SubregionsWithin AdS/CFT, focusing on the AdS-Rindler wedge, we show that when N is large but finite, correlation functions of reconstructed bulk operators grow exponentially with bulk momentum, overwhelming…Seiji Terashima·Jul 29, 2026SaveLearn
On classification of (self-dual) higher-spin gravities in flat spaceThere is a great number of higher-spin gravities in 3d that can have both finite and infinite spectra of fields and can be formulated as Chern-Simons theories. It was believed that this is…Mattia Serrani·Jul 29, 2026SaveLearn
Phase transition of photons and gravitons in a Casimir boxA first order phase transition for photons and gravitons in a Casimir box is studied analytically from first principles with a detailed understanding of symmetry breaking due to the boundary…Ankit Aggarwal, Glenn Barnich·Jul 29, 2026SaveLearn
D-branes and nonlinear interactions in the AdS pure spinor stringWe develop a coordinate-independent algebraic description of zero-field boundary conditions for the pure spinor string on AdS5× S5 in the closed-string channel. The construction is organized…Brenno Carlini Vallilo·Jul 28, 2026SaveLearn
Nucleon spectra and wave functions from holographic models with dual Einstein-dilaton and Starobinsky-dilaton gravitiesWe study the nucleon spectra in two holographic set-ups: Einstein-dilaton and Starobinsky-dilaton gravity models. The Einstein-dilaton holographic model, also known as improved holographic QCD, have…Adão S. da Silva Junior, Juan M. Z. Pretel, Henrique Boschi-Filho·Jul 28, 2026SaveLearn
Intersection Bounds for BPS Strings in Six-Dimensional SupergravityIn six-dimensional N=(1,0) supergravity, the structure of tensor moduli space is governed by primitive BPS string charges known as BPS generators and their intersection pairing. We derive…Hee-Cheol Kim, Kai Xu·Jul 28, 2026SaveLearn
CasimirRFM: A Mathematica package for Riemann-flat compactifications with Casimir energiesCasimirRFM is a Mathematica package for the study of compactifications on Riemann-flat manifolds and the computation of one-loop Casimir energies in higher-dimensional field theories and…Bruno Valeixo Bento·Jul 28, 2026SaveLearn