Cardy limit of the 3d superconformal indexWe study the superconformal index Z(q) of 3d N=2 gauge theories in Cardy-like limits β= 1q 0+, extending techniques recently developed in the 4d N=1…Arash Arabi Ardehali, Mathieu Boisvert, Shehab Hossam Fadda·May 29, 2026SaveLearn
Energy-Momentum tensor for Casimir effect of conducting plates in curved spacetimeBrown and Maclay Brown found the energy-momentum tensor for the Casimir effect of parallel plates in 1969. We find its curved spacetime version in a static background using the point splitting…Borzoo Nazari·May 29, 2026SaveLearn
Off-shell invariants of linearized 4D, N=2 supergravity in the harmonic approachUsing the harmonic superspace approach, we construct, at the linearized level, N=2 supersymmetric curvatures generalizing scalar curvature, Ricci curvature and Weyl tensor. These…Evgeny Ivanov, Nikita Zaigraev·May 29, 2026SaveLearn
The Two-Loop Four-Graviton Scattering AmplitudesWe present the analytic form of the two-loop four-graviton scattering amplitudes in Einstein gravity. To remove ultraviolet divergences we include counterterms quadratic and cubic in the Riemann…S. Abreu, F. Febres Cordero, H. Ita et al.·May 29, 2026SaveLearn
Cosmological Weight-Shifting MatricesWe construct matrices that shift the scaling dimension of scalar fields for arbitrary de Sitter Feynman diagrams. Acting on a set of master integrals, these weight-shifting matrices shift the scaling…Claire de Korte, Harry Goodhew, Kamran Salehi Vaziri et al.·May 28, 2026SaveLearn
Spectral Admissibility of Real Observers in Euclidean de Sitter GravityThe Euclidean de Sitter path integral contains the familiar phase associated with conformal negative modes. Maldacena's construction shows that a suitably included real observer can reorganize…Ricardo Espíndola, Ahmed Farag Ali·May 28, 2026SaveLearn
Logarithm of charge ratio in black hole entropyLogarithmic correction to BPS black hole entropy, computed from microscopic description, often contains terms involving large ratios of charges, besides the logarithmic terms involving the overall…Muktajyoti Saha, Ashoke Sen, P. Shanmugapriya·May 28, 2026SaveLearn
Axions Create Singularities on Extremal HorizonsWe show that axions cause extremal black holes to have singular horizons. This is true for almost all values of the axion mass and coupling provided the black hole is rotating and has some…Gary T. Horowitz, Maciej Kolanowski, Grant N. Remmen et al.·May 28, 2026SaveLearn
Non-Abelian Dirac oscillator in a uniform Yang--Mills background: spin--isospin mixing and singlet--triplet splittingWe investigate a planar Dirac oscillator coupled to a spatially uniform \(=×\) Yang--Mills background. The gauge configuration, adapted from the Dossa--Avossevou construction,…Abdelmalek Boumali·May 28, 2026SaveLearn
Quiver Approach to Symmetry TheoriesGlobal symmetry anomalies of a quantum field theory (QFT) can be packaged as specific couplings of a higher-dimensional symmetry theory (SymTh). In this work we show that for 5D superconformal field…Vivek Chakrabhavi, Mirjam Cvetič, Jonathan J. Heckman et al.·May 28, 2026SaveLearn
Self-dual holography: four-point AdS/CFT correlators in higher-spin gravitySelf-dual theories, being UV-finite, should have their own AdS/CFT dualities. Higher-spin extensions of self-dual theories are attractive to simplify the CFT duals. The maximal self-dual theory is…Evgeny Skvortsov, Richard Van Dongen·May 28, 2026SaveLearn
Perturbative Nicolai-Map Diagrammatics: Application to Poincaré SupergravityWe develop a perturbative, diagrammatic framework for constructing Nicolai maps and apply it to four-dimensional N=1 Poincaré supergravity expanded around flat Minkowski space. It…Ji-Seong Chae, Hun Jang, Junhyeok Lee·May 28, 2026SaveLearn
Black Hole Photon Rings Saturate the Quantum Chaos BoundWe study the quantum chaos bound in the photon ring region surrounding black holes. By evaluating the Lyapunov exponent associated with unstable null geodesics in a broad class of generalized Kerr…D. Giataganas, G. F. Giudice, A. Kehagias et al.·May 28, 2026SaveLearn
Five-dimensional Geometry from Spinning AmplitudesMassive spinor-helicity variables in four dimensions are a useful tool for studying amplitudes between higher-spin fields and gravitons. Among them a special, simple set of amplitudes reproduces the…Lucile Cangemi, Iustin Surubaru·May 28, 2026SaveLearn
Magic Relations and Critical Varieties of Feynman IntegralsMagic relations are a class of integration-by-parts identities where all integrals in the generating sector drop out. Since their presence causes several otherwise successful methods in the…Giulio Crisanti, Hjalte Frellesvig, Andrzej Pokraka et al.·May 28, 2026SaveLearn
Hypercomplex Yang-Mills Theory as a Bipartite Gauge Field ModelA non-Abelian gauge field framework is proposed using the hypercomplex ring formalism. This extension generates non-compact hyperbolic symmetries, which, alongside the compact gauge symmetries,…C. M. López Arellano, R. Cartas-Fuentevilla·May 28, 2026SaveLearn
Higher Wess-Zumino-Witten term from semistrict higher Chern-Simons theoryWe show that in any 2n+2 dimensions, the higher Chern-Simons action built from a semistrict Lie 2-algebra gives a non-trivial higher Wess-Zumino-Witten (WZW) term under a higher gauge…Mengyao Wu·May 28, 2026SaveLearn
Inflation with vector fields revisited: non-GaussianitiesWe revisit the resulting bispectrum of inflation with kinetic-coupled vector fields by organizing the dynamics in terms of h, which measures the vector kinetic contribution relative to that of the…Chong-Bin Chen·May 28, 2026SaveLearn
Null Strings Gauged and Reloaded, I: Null Strings Have Carroll-Weyl Gauge SymmetryNull strings, strings with Carrollian worldsheets, are traditionally described by the Isberg-Lindström-Sundborg-Theodoridis (ILST) action, which is obtained via a tensionless limit of standard…M. M. Sheikh-Jabbari, H. Yavartanoo·May 28, 2026SaveLearn
Bulk Motion in Global AdS3 from the Boundary Energy-Density PerspectiveWe study how bulk propagation in global AdS3 is encoded in boundary energy densities of the dual CFT2 on the cylinder. A key feature of the global geometry, which is absent in the…Shiki Yoshikawa·May 28, 2026SaveLearn
Cosmological Collider in the GrassmannianWe revisit the computation of four-point wavefunction coefficients and correlators for external conformally coupled scalars exchanging a particle of generic mass and spin. Much of the phenomenology…Mattia Arundine, Guilherme L. Pimentel·May 28, 2026SaveLearn
Four-loop Anomalous Dimensions of Scalar-QED Theory from Operator Product ExpansionWe apply the Operator Product Expansion (OPE) algorithm to the renormalization of scalar-QED theory, with a specific focus on the fixed-charge operator ϕQ. Within the OPE framework, the anomalous…Rijun Huang, Qingjun Jin, Yi Li·May 28, 2026SaveLearn
Canonical Brackets, (Anti-)BRST Invariant Charges and Physicality Criteria: Non-Abelian 1-Form Gauge TheoryIn the case of a D-dimensional non-Abelian 1-form gauge theory (without any interaction with the matter fields), we show that the application of the Noether theorem does not lead to the derivations…R. P. Malik·May 28, 2026SaveLearn
Dynamical symmetries of the Calogero-Coulomb modelWe construct the dynamical symmetry of the quantum Calogero model with particle exchange in a confining Coulomb field. This symmetry is governed by the algebra so(N+1,2), deformed by exchange…Tigran Hakobyan·May 28, 2026SaveLearn
Moduli-dependent one-loop entropy of hyperbolic BPS black hole in AdS4We study one-loop logarithmic corrections to the entropy of static hyperbolic BPS black holes in asymptotically AdS4 spacetime. Our analysis is carried out in a consistent real-scalar truncation…Imtak Jeon, Alokananda Kar, Binata Panda et al.·May 28, 2026SaveLearn