A Tale of Two Orbits: Non-Simply Laced MirrorA three-dimensional N=4 gauge theory is constructed whose Higgs branch realizes the affine closure of the cotangent bundle of the minimal nilpotent orbit of sln. This space…Amihay Hanany, Deshuo Liu·May 14, 2026SaveLearn
QCD axion from broken scale symmetryA consistent non-compact axion cosmology requires a non-periodic field, an effective field theory valid sufficiently above the inflationary scale, and a small non-QCD contribution to the potential…Georgios K. Karananas, Mikhail Shaposhnikov·May 14, 2026SaveLearn
α' corrections to self-dual gravitational instantonsWe study the α' corrections to self-dual gravitational instantons in the context of the four-dimensional Cano--Ruipérez action, which can be obtained by the compactification of the…José Luis V. Cerdeira, Cristóbal Corral, Tomás Ortín·May 14, 2026SaveLearn
Scattering off Chamblin-Reall BranesWe study the linearized scattering of dilaton-graviton waves from a thin brane in three-dimensional spacetime. Holographically, the setup models scattering from an interface in a family of strongly…Dongsheng Ge, Christopher P. Herzog·May 14, 2026SaveLearn
Black-hole formation and thermalization in open JT gravityBlack-hole formation is expected, via holography, to correspond to thermalization in the boundary theory. For open quantum systems, an initial pure state generically evolves into a mixed state…Ryo Adachi, Rumi Hasegawa, Takanori Ishii et al.·May 14, 2026SaveLearn
Quasinormal modes and continuum response of de Sitter black holes via complex scaling methodWe apply the complex scaling method to black-hole perturbations in four-dimensional Schwarzschild--de~Sitter (dS) spacetimes. The method converts the outgoing-wave boundary-value problem into a…Shoya Ogawa, Okuto Morikawa, Takuya Hirose·May 14, 2026SaveLearn
On Carrollian Loop Amplitudes for Gauge Theory and GravityCarrollian amplitudes are scattering amplitudes of massless particles written in position space at null infinity. We study various aspects of Carrollian amplitudes for gauge theory and gravity at…Vijay Nenmeli, Bin Zhu·May 14, 2026SaveLearn
On the importance of radiation-era initial conditions for tensor perturbationsConservation of super-horizon tensor fluctuations is crucial for connecting inflation to observations. Starting from first principles, recent works have found violations of this conservation if…Dražen Glavan, Juraj Klarić, Philipp Klose et al.·May 14, 2026SaveLearn
Extended symmetry of the Maxwell theory with a gauge coupling constant as a conserved chargeIt has been proposed that any coupling constant in a covariant action can be treated as a conserved charge by promoting the coupling constant to auxiliary fields, typically realized by a scalar field…Sojeong Cheong, Myungseok Eune, Wontae Kim et al.·May 14, 2026SaveLearn
Finite parts of inflationary loops II: A streamlined UV in-in algorithm and distinguishable signaturesWe introduce a streamlined method for evaluating in-in loop integrals using dimensional regularization for diagrams with an arbitrary number of external legs and vertices, which complements earlier…Guillermo Ballesteros, Jesús Gambín Egea, Flavio Riccardi·May 14, 2026SaveLearn
One constant to rule them allWe study the coupling matrix of N=2 SU(N) gauge theories with 2N fundamental hypermultiplets in the special vacuum, where a residual ZN symmetry restores nontrivial…Aleksei Bykov, Ekaterina Sysoeva·May 14, 2026SaveLearn
Supergravity realisations of λ-modelsWe construct solutions of type-II supergravity based on multiple copies and/or mixings of λ-deformed coset CFTs on SO(n+1)k/SO(n)k, with n = 2, 3, 4. The resulting…Giuseppe Casale, Georgios Itsios·May 14, 2026SaveLearn
Supersymmetric AdS Solitons, Coulomb Branch Flows and Twisted CompactificationsThis work, which accompanies [1], is about constructing smooth solutions in type II and eleven dimensional supergravity which describe supersymmetry preserving RG flows from four-dimensional SCFTs in…Dimitrios Chatzis, Madison Hammond, Georgios Itsios et al.·May 14, 2026SaveLearn
Global symmetries: locality, unitarity, and regularityWe study the apparent tension between locality and unitarity for symmetries in quantum field theory. This emerges in the context of categorical symmetries where symmetry operators are generically…Ibrahima Bah, Shlomo S. Razamat, Michal Shemesh et al.·May 14, 2026SaveLearn
Toward Krylov-based holography in double-scaled SYKBuilding on the duality between Krylov complexity and geodesic length in Jackiw-Teitelboim and sine-dilaton gravity, we develop a precise holographic dictionary for quantities in the Krylov subspace…Yichao Fu, Hyun-Sik Jeong, Keun-Young Kim et al.·May 14, 2026SaveLearn
Bootstrapping transport in the Drude-Kadanoff-Martin modelThe Drude-Kadanoff-Martin model is a simple low energy and long wavelength description of charge transport, parameterised by the current relaxation timescale τ, charge diffusivity D and charge…Subham Dutta Chowdhury, Sean A. Hartnoll, Aditya Hebbar et al.·May 14, 2026SaveLearn
Gravitational Hilbert spaces: invariant and co-invariant states, inner products, gauge-fixing, and BRSTHilbert spaces in theories of gravity are notoriously subtle due to the Hamiltonian constraints, particularly regarding the inner product. To demystify this subject, we review and extend a collection…Jesse Held, Henry Maxfield·May 14, 2026SaveLearn
Free-field approaches to boundary W [ g ] (p,p') minimal modelsWe apply the background charged bosonic free-field approach to the rational principal quantum Drinfeld-Sokolov (QDS) W [ g ](p,p') minimal models with boundaries,…Xun Liu·May 14, 2026SaveLearn
Viability of perturbative expansion for quantum field theories on neuronsNeural Network (NN) architectures that break statistical independence of parameters have been proposed as a new approach for simulating local quantum field theories (QFTs). In the infinite neuron…Srimoyee Sen, Varun Vaidya·May 14, 2026SaveLearn
Morse-Bott inequalities, Topology Change and Cobordisms to NothingThe Cobordism Conjecture predicts spacetime-ending configurations, such as Bubbles of Nothing (BoN), being commonplace. These correspond to vacuum decays in which the compactification manifold…Ignacio Ruiz·May 14, 2026SaveLearn
Constitutive Origin of Hamiltonian Degeneracy in Nonlinear Electrodynamics with Spontaneous Lorentz Symmetry BreakingIn Plebański nonlinear electrodynamics with spontaneous Lorentz symmetry breaking, nontrivial magnetic backgrounds are selected by stationary points of an effective Hamiltonian. Previous branchwise…C. A. Escobar, Román Linares·May 13, 2026SaveLearn
Landau-Khalatnikov-Fradkin Transformations in Reduced Quantum Electrodynamics: Perturbative and Nonperturbative Dynamics of the Fermion PropagatorWe present a comprehensive analysis of the Landau-Khalatnikov-Fradkin transformations for the charged fermion propagator in reduced quantum electrodynamics (RQED). Starting from the propagator in a…Anam Ashraf, Faisal Akram, M. Jamil Aslam et al.·May 13, 2026SaveLearn
Protected operators in non-local defect CFTs from AdSFor a local quantum field theory in anti-de Sitter space with conformal boundary conditions but without dynamical gravity, the boundary theory is generically a non-local conformal field theory. Such…Jiaxin Qiao·May 13, 2026SaveLearn
Multi-Matrix Quantum Mechanics, Collective Fields and Emergent SpaceWe study quantum mechanics of bosonic multi-matrix Lagragians in the collective field framework, with particular emphasis on three matrix models. We derive the effective Hamiltonian of the collective…Yue Lei, Suddhasattwa Brahma, Robert Brandenberger·May 13, 2026SaveLearn
A Tale of Two Hartle-Hawking Wave Functions: Fully Gravitational vs Partially FrozenWe revisit the Hartle-Hawking wave function in AdS spacetime, where natural spatial slices are open and require an additional spacetime boundary. This leads to two constructions: a fully…Galit Anikeeva, Raphaël Dulac, Zixia Wei et al.·May 13, 2026SaveLearn