On a quantization of deformed reducible gauge theoriesWe consider a general reducible gauge theory deformed by mass or/and interaction terms violating gauge invariance. It is shown that in the Abelian case, by using the Stueckelberg-type procedure, this…A. A. Averianov, A. O. Barvinsky, I. L. Buchbinder et al.·Apr 24, 2026SaveLearn
Particle and Superparticle Confinement in Higher Codimension BraneworldsIn this work we analyze the classical confinement of relativistic and supersymmetric spinning particles in higher-codimension braneworlds. Considering warped backgrounds generated by string-like $…F. E. A. de Souza, M. O. Tahim, R. I. de Oliveira Júnior et al.·Apr 24, 2026SaveLearn
Kinematic Flow for Banana Loops and UnparticlesWe extend kinematic flow to momentum-integrated loop-level cosmological correlators, focusing on banana loops of conformally coupled scalars in power-law cosmologies and, in de Sitter, on arbitrary…Tom Westerdijk, Chen Yang·Apr 24, 2026SaveLearn
String theory in the infraredI briefly summarize a recent research program aiming to probe the landscape of low-energy phases of string theory from a global perspective. Borrowing conceptual lessons from the swampland program, I…Ivano Basile·Apr 24, 2026SaveLearn
Generalized Entanglement Wedges and the Connected Wedge TheoremWe use the framework of generalized entanglement wedges to revisit the connected wedge theorem (CWT). This construction identifies an entanglement wedge associated for any bulk region and allows us…Athira Arayath, Sabrina Pasterski·Apr 24, 2026SaveLearn
Graviton propagation in ghost-free massive gravityWe consider the ghost-free dRGT massive gravity with two of its three possible mass terms. This theory has five gravitational degrees of freedom. On Minkowski spacetime these modes have helicity-2,…Claudia de Rham, Jan Kożuszek, Andrew J. Tolley et al.·Apr 24, 2026SaveLearn
Vacuum structure of a scalar field on a torus with uniform magnetic fluxWe investigate the vacuum expectation value of a complex scalar field on a two-dimensional torus with quantized magnetic flux M. A characteristic feature of this system is the emergence of a…Mayumi Akamatsu, Hiroki Imai, Makoto Sakamoto et al.·Apr 24, 2026SaveLearn
A Unified Fermionic Origin for Density-Driven Waterfall Inflation and its Multi-Messenger SignaturesInflation is conventionally described by fundamental scalar fields whose microscopic origin remains unknown. We propose a different mechanism in which inflation emerges from fermion condensates…Stephon Alexander, Pisin Chen, Jinglong Liu et al.·Apr 23, 2026SaveLearn
O(d,d) symmetric gravity and finite coupling holographyWe construct asymptotically AdS5 black brane solutions in a theory of gravity with an infinite series of curvature corrections. The action is based on an O(d,d) symmetric ansatz which has been…Umut Gürsoy, Pedro Vicente Marto, Edwan Préau·Apr 23, 2026SaveLearn
Holographic complexity of conformal fields in global de Sitter spacetimeWe compute the holographic complexity of conformal quantum fields in rigid global de Sitter spacetime (dSd) using the volume and action prescriptions. First we consider AdSd+1 spacetime in…Sanhita Parihar, Shubho R. Roy·Apr 23, 2026SaveLearn
Minisuperspace Double Copy in Lifshitz SpacetimesWe develop a minisuperspace formulation of the classical double copy for anisotropic Lifshitz spacetimes in arbitrary dimension. By imposing static symmetries at the level of the action, the…Mehmet Kemal Gümüş·Apr 23, 2026SaveLearn
A Physicist's Visit to Exotic SpheresThis thesis discusses exotic 7-spheres, i.e. manifolds that are homeomorphic but not diffeomorphic to the ordinary 7-sphere, using a set of analytical and computational tools from theoretical…Tancredi Schettini Gherardini·Apr 23, 2026SaveLearn
Quantum mechanics with a ghost: Counterexamples to spectral densenessWe quantise integrable point-particle systems with opposite-sign kinetic terms and nontrivial interactions. Using methods from separability theory, we show that previously determined classical…Cédric Deffayet, Atabak Fathe Jalali, Aaron Held et al.·Apr 23, 2026SaveLearn
Unitary Time Evolution and Vacuum for a Quantum Stable GhostWe quantize a classically stable system of a harmonic oscillator polynomially coupled to a ghost with negative kinetic energy. We prove that due to an integral of motion with a positive discrete…Cédric Deffayet, Atabak Fathe Jalali, Aaron Held et al.·Apr 23, 2026SaveLearn
IR behaviour of one-loop complex R× S3 saddlesGravitational path-integral over R× S3 complex metrics with fluctuations is studied in 4D for Einstein-Hilbert gravity in Lorentzian signature, with the aim to investigate the IR…Shubhashis Mallik, Gaurav Narain·Apr 23, 2026SaveLearn
Beyond Hagedorn: A Harmonic Approach to TT-deformationWe apply harmonic analysis to study the TT-deformed torus partition function. We first express the CFT partition functions in terms of Maass waveforms, including the Eisenstein series and…Jie Gu, Jue Hou, Yunfeng Jiang·Apr 22, 2026SaveLearn
Wall-crossing of Instantons on the Blow-upWe study the instanton counting in four dimensional N=2 supersymmetric gauge theories on the blow-up of C2: we start by formulating the instanton moduli space as a quiver…Baptiste Filoche, Stefan Hohenegger, Taro Kimura·Apr 22, 2026SaveLearn
Off-shell recursion for all-loop planar integrands in Yang-Mills theoryIn this paper, we develop in detail the off-shell recursion for planar loop integrands in Yang-Mills theory. Starting from the classical equations of motion solved with the perturbiner method, we…Yi-Xiao Tao·Apr 22, 2026SaveLearn
Entropy bound and the non-universality of entanglement islandsThe island prescription reproduces the Page curve and avoids the Almheiri--Marolf--Polchinski--Sully (AMPS) monogamy conflict for suitable radiation subsystems by placing the corresponding interior…Naman Kumar·Apr 22, 2026SaveLearn
Form factors of N=4 self-dual Yang-Mills from the chiral algebra bootstrapThe chiral algebra bootstrap (CAB) is a novel bootstrap program for form factors in quantum-integrable self-dual gauge theories, some of which in turn are helicity amplitudes in the corresponding…Jaazib Charanya, Anthony Morales, Natalie M. Paquette·Apr 22, 2026SaveLearn
3D near-de Sitter gravity and the soft mode of DSSYKWe present a dual gravity interpretation of the complex reparametrization mode ψ(u) that governs the soft dynamics of double-scaled SYK in the presence of a time-dependent Maldacena-Qi coupling. We…Tommaso Marini, Xiao-Liang Qi, Herman Verlinde·Apr 22, 2026SaveLearn
Invariant Path-Integral Quantization and Anomaly CancellationWe present an invariant relational path-integral quantization framework for general-relativistic gauge field theories based on the Dressing Field Method. The construction implements an automatic…J. François, L. Ravera·Apr 22, 2026SaveLearn
SubTropicaWe present SubTropica, a Mathematica package that performs symbolic integration of multi-polylogarithmic integrals using recent advances in tropical geometry. It focuses on the class of…Mathieu Giroux, Sebastian Mizera, Giulio Salvatori·Apr 22, 2026SaveLearn
Gravity mediated entanglement of phonons in Bose-Einstein condensatesThe eigenstates of two test-masses (where each test-mass is placed inside of a harmonic trap) separated by a distance, can get entangled where gravity acts as the mediator of entanglement and it has…Soham Sen, Sunandan Gangopadhyay, Vlatko Vedral·Apr 22, 2026SaveLearn
Towering Gravitons in AdS3/CFT2BPS states in holographic CFTs are usually classified into supergravitons, namely BPS fluctuations around empty AdS, and black-hole microstates, which appear above an energy threshold. In…Marcel R. R. Hughes, Kohei Jin, Daiki Matsumoto et al.·Apr 22, 2026SaveLearn