Tachyonic (In)stability in Randall-Sundrum Braneworld ScenariosLow-energy effective theories provide a natural description of four-dimensional physics in higher-dimensional geometries, where the imprint of the bulk geometry appears as parameters of the…Abhirup Karmakar, Soumitra SenGupta·Jul 27, 2026SaveLearn
Birth of Inflationary Universes via Wineglass Wormholes and their No-Boundary RelativesWe study Euclidean wineglass wormholes, which mediate the nucleation of inflationary spacetimes from an existing spacetime with asymptotically flat or Anti-de Sitter regions. These wormholes are…George Lavrelashvili, Jean-Luc Lehners·Jul 27, 2026SaveLearn
Neural Spectral Bias and Conformal Correlators I: Introduction and ApplicationsWe demonstrate that simple feed-forward neural networks (NNs) can accurately compute correlation functions of conformal field theories (CFTs) on a line. Strikingly, by optimising a NN solely on…Kausik Ghosh, Sidhaarth Kumar, Vasilis Niarchos et al.·Jul 27, 2026SaveLearn
One-Loop Quantum Corrections to the Casimir Effect for Smoothly Rough Plates in the Low-Temperature RegimeWe present a theoretical analysis of the one-loop effective potential of a self-interacting real scalar field in the presence of two parallel conducting plates with geometric roughness. The analysis…Claudio Bórquez, Byron Droguett·Jul 27, 2026SaveLearn
Twisted holographic superconductors in external magnetic fieldAmong the various applications of the AdS/CFT correspondence in condensed matter physics, the realization of the phase transition between the normal and superconducting phases in holographic quantum…Jovan Potrebić, Dragoljub Gočanin·Jul 27, 2026SaveLearn
Conformally-flat gravitational analogues to the Schwinger effectWe study particle creation for scalar fields in conformally flat spacetimes using resummed heat-kernel techniques. We make use of an analogy between quantum scalar fields in conformally flat…S. A. Franchino-Viñas, F. D. Mazzitelli, S. Pla·Jul 27, 2026SaveLearn
The Line, the Strip and the Duality DefectIn the Symmetry Topological Field Theories (SymTFT) that describes the exotic models XY-plaquette and XYZ-cube, we construct codim-1 condensation defects by higher gauging with discrete torsion the…Francesco Bedogna, Salvo Mancani·Jul 27, 2026SaveLearn
Propagator positivity bounds for cosmological correlatorsUsing unitarity and causality, we derive an infinite tower of two-sided positivity bounds on the effective field theory coefficients which describe the propagation of heavy fields on de Sitter…Mang Hei Gordon Lee, Scott Melville·Jul 27, 2026SaveLearn
Anomalous resonance in Weyl semimetals: A holographic study of non-linear effectsWe consider hairy, magnetic black brane solutions to Einstein-Maxwell-Chern-Simons-dilaton theory with full back-reaction of the scalar and gauge fields and compute the time evolution with time…Maximilian Gaschler, Andreas Schäfer, Sebastian Waeber·Jul 27, 2026SaveLearn
Eigenfunctions of deformed Schrödinger equationsWe study the spectral problems associated with the finite-difference operators HN = 2 (p) + VN(x), where VN(x) is an arbitrary polynomial potential of degree N. These systems can be…Matijn François, Alba Grassi, Tommaso Pedroni·Jul 27, 2026SaveLearn
Global anomalies in 6D gauged supergravitiesThere exists a rare class of R-symmetry gauged N=(1,0) supergravities in six dimensions with gauge group G× U(1)R, where G is semisimple with rank greater than one, and the number of…Katrin Becker, Ergin Sezgin, David Tennyson et al.·Jul 27, 2026SaveLearn
Rotating frames from quantum deformed spacetimeIn a sense of deformation quantization, noncommutative (NC) geometry introduces a quantum structure of spacetime. Using the twist-deformation formalism, we show that the dynamical effects of…Dušan Đorđević, Dragoljub Gočanin·Jul 27, 2026SaveLearn
QG from SymQRG: AdS3/CFT2 Correspondence as Topological Symmetry-Preserving Quantum RG FlowBy analyzing non-perturbative RG flows that explicitly preserve given topological symmetries, we show that each of their coarse-graining steps can be expressed as a quantum path integral of the…Ning Bao, Ling-Yan Hung, Yikun Jiang et al.·Jul 27, 2026SaveLearn
The extremal Reissner-Nordström throat from non extremal near horizon expansionsThe near horizon region of a non extremal black hole has a universal Rindler form, but the strict horizon limit is not an ordinary Lorentzian geometry. In the String Carroll expansion of this non…Anirudhda Shinde, Mangesh Mandlik·Jul 26, 2026SaveLearn
Freezing Swampland: A Krylov Complexity Criterion for the Weak Gravity ConjectureWe propose a quantum-information-theoretic perspective on the Weak Gravity Conjecture through the behavior of Krylov spread complexity. For a charged thermofield double state holographically dual to…Amin Faraji Astaneh, Reza Ghomi Shurkaie·Jul 26, 2026SaveLearn
Stability and Chaotic Dynamics in a Nonlinearly Confined ghost-sector HamiltonianWe investigate the nonlinear dynamics of a Hamiltonian system containing a ghost degree of freedom coupled to a canonical sector through nonlinear interactions. The model consists of one…Zahra Molaee, Soleyman Fatholahzadeh·Jul 26, 2026SaveLearn
N=2 supersymmetric Yang-Mills thermodynamics from effective field theoryWe compute the weak-coupling free energy density of pure four-dimensional N=2 supersymmetric Yang-Mills (SYM) theory through second order in the 't Hooft coupling λ at finite…Ubaid Tantary, Qianqian Du·Jul 26, 2026SaveLearn
Standard Model Effective Field Theory and OscillonsWe show that the inclusion of a dimension-six operator in the Higgs potential has a dramatic impact on the stability of oscillons in the SU(2) bosonic sector of the Standard Model, extending their…Z. Drogosz, E. I. Sfakianakis, K. Slawinska et al.·Jul 26, 2026SaveLearn
The complete massless singlet spectrum in the free-field construction of heterotic strings on Calabi--Yau orbifoldsWe apply the free-field construction of the heterotic string compactified on Berglund--Hübsch Calabi--Yau orbifolds by computing the full spectrum of massless E6 singlets. The contribution of the…Vladimir Belavin·Jul 26, 2026SaveLearn
Non-perturbative saturation of Krylov complexity, and its implications in quantum gravityWe study the dynamics of Krylov state complexity in finite-dimensional quantum systems. Orthogonal polynomials built on a discrete energy spectrum crowd away from regions where the density of states…Andrew Lucas, Amit Vikram·Jul 26, 2026SaveLearn
Effective-potential classification of kink-antikink collision channels in the ϕ8 scalar field theoryWe study kink-antikink collisions in a (1+1)-dimensional ϕ8 scalar field theory with multiple degenerate vacua. We derive soliton solutions for different vacuum structures labeled by…Yun Feng, Yunguo Jiang·Jul 26, 2026SaveLearn
Thermal Double-Twist Data in HolographyWe explain how to extract thermal OPE coefficients of double-twist operators in scalar two-point functions at infinite spatial volume from suitably regularized integrals of thermal response functions…V. Niarchos, C. Papageorgakis, A. Stratoudakis·Jul 26, 2026SaveLearn
Emergent AdSd+1 Geometry from Functional Renormalization Group via Bulk Metric ReconstructionWe present a holographic dual description for the O(N) vector model in d-dimensional Euclidean space within the functional renormalization group (FRG) framework. By iterating Wilsonian…Hyeon Jung Kim, Ki-Seok Kim·Jul 26, 2026SaveLearn
Learning the Emergent Bulk Geometry of the Three Dimensional Ising ModelWe use Monte Carlo data for the three-dimensional Ising model at the critical temperature to predict an emergent radial geometry of the bulk using machine learning. Specifically, we employ a…Ritam Basu·Jul 25, 2026SaveLearn
Effects of Curvature-Scalar Coupling on Vacuum Energy in Flat (3+1)-Dimensional Space-TimeWe investigated how a magnetic topological defect affects the vacuum polarization of a charged massive scalar field in a flat (3+1)-dimensional space-time. The defect was modeled as an impenetrable…Volodymyr Gorkavenko, Oleh Barabash, Pavlo Nakaznyi et al.·Jul 25, 2026SaveLearn