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High Energy Physics - Theory papers — page 3

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Channel-Resolved High-Overtone Quasinormal Modes Decode Kasner Scaling inside Black Holes
The high-overtone quasinormal-mode spectrum encodes the near-singularity Kasner scaling of black-hole interiors. We show that distinct structures in this spectrum independently determine the temporal…
Zi-Qing Xiao, Jun Nian, Li LiSep 15, 2026
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Topological Modular Forms Constrain Threshold States in Extremal N=1 AdS3 Gravity
We identify a topological constraint on extremal N=1 AdS3 spectra that is not implied by genus-one modular covariance of the three even spin structure partition functions. Assuming the…
Yutaka YoshidaSep 15, 2026
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Low-energy brane decoupling in AdS flux vacua
We study the decoupling of branes sourcing AdS flux vacua from the asymptotic bulk using scalar-wave absorption probabilities. In a one-modulus truncation, the result depends only on the dimension of…
Fien Apers, Noelia Sánchez GonzálezSep 15, 2026
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Cohomological Aspects of Entanglement Entropy: From Information Theory to Noncommutative Geometry
We develop a cohomological framework for entanglement entropy that unifies perspectives from information theory, operator algebras, and noncommutative geometry. Starting from the…
Radoslav C. RashkovSep 15, 2026
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Generalized complexity and dynamical response in holographic Vaidya spacetimes
We investigate "Complexity=Anything" for smooth Vaidya geometries, using the Weyl squared functional as the most common candidate for our study. Our numerical analysis of candidates in 4- and…
Mojtaba Shahbazi, Monireh EmamiSep 15, 2026
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Supersymmetric extension of the Hull--Lambert--Sen chiral boson on the 2-Torus
We present a supersymmetric extension of the Hull-Lambert-Sen chiral boson model. The two-metric formulation developed by Hull provides a powerful and tractable framework for the quantization of…
Amine El Amri, Pietro Antonio GrassiSep 15, 2026
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Carrollian Conformal Dynamics and Flat-Space Holography
The conformal boundary of asymptotically flat spacetime is null and therefore carries a Carrollian rather than Lorentzian geometry. This changes the relation between symmetry, variational principles…
Simon PekarSep 15, 2026
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Constraints on Kasner Exponents from Holography and Energy Conditions
A central question in bottom-up holography is whether a given bulk effective theory admits a consistent holographic dual. In this work, we explore whether the near-singularity Kasner scaling of…
Zi-Hao Li, Run-Qiu YangSep 15, 2026
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Positivity Bounds in N =1 Supersymmetry
For a low-energy Effective Field Theory (EFT) to admit a consistent ultraviolet (UV) completion, it must adhere to the fundamental principles of locality, unitarity, analyticity, and Lorentz…
Jingxuan Bu, Jiayin Gu, Runqing WangSep 15, 2026
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Unitarity and the Forward Direction in Theories with Long-Range Forces
Integrating scattering amplitudes over the forward direction, and consequently the unitarity constraints one extracts from such integrals, can appear ambiguous in theories with long-range forces.…
Luke LippstreuSep 15, 2026
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Stringy Gauge Structures
A field theory action, able to incorporate stringy gauge symmetry enhancement-breaking effects, which occur at particular points of moduli space in a heterotic string toroidal compactification…
Gerardo Aldazabal, Eduardo Andrés, Lucía M. Cabrera et al.Sep 15, 2026
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Edge observables in Maxwell theory on null boundaries
We study edge observables in three-dimensional Maxwell theory on null boundaries using a Hamiltonian formulation adapted to null foliations. We consider three backgrounds: Minkowski spacetime, the…
Dušan Đorđević, Olivera Miskovic, Antonia Montecinos et al.Sep 14, 2026
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Zero- and Finite-Temperature Casimir Effect in a Fracton Gauge Field
We investigate the zero- and finite-temperature Casimir interaction of the free trace-full scalar-charge fracton gauge field between two parallel reflecting boundaries. A variational analysis…
Celio R. MunizSep 14, 2026
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A dS4 maximum in M-theory from Casimir energies on Riemann-flat manifolds
We describe a fully explicit, four-dimensional, top-down de Sitter saddle, constructed via compactification of M-theory on the Riemann-flat manifold T7/Z8. The solution has a vacuum…
Miquel Aparici, Bruno Valeixo Bento, Miguel MonteroSep 14, 2026
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Instanton Interactions and the Axion Weak Gravity Conjecture
The Weak Gravity Conjecture admits a formulation in terms of long-range charged particle self-interactions being repulsive. We adopt a similar approach to the Axionic Weak Gravity Conjecture by…
Jarod Hattab, Eran PaltiSep 14, 2026
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Schwinger-Keldysh effective actions for non-hydrodynamic poles and branch cuts
Retarded thermal correlators, analytically continued to complex frequency, exhibit non-hydrodynamic poles and branch cuts that constrain hydrodynamics. We construct Gaussian Schwinger-Keldysh…
Andrea Amoretti, Matteo Anselmi, Daniel K. BrattanSep 14, 2026
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Persistent Spontaneous Time-Reversal Breaking
We provide an analytic realization of spontaneous parity and time-reversal breaking without thermal restoration in a local, unitary, ultraviolet-complete quantum field theory in 2+1 dimensions with…
Michael Smolkin, Lev YungSep 14, 2026
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Making the Great Desert Bloom
The absence of new physics beyond neutrino masses between the weak scale and the Planck scale is referred to as the great desert. It is often seen as a nightmare scenario for particle physics. Here…
Jacques Distler, Andreas KarchSep 14, 2026
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The Role of Completeness in Probing Symmetry Breaking
Completeness is widely recognized in quantum information as an important property of a family of monotones, because it ensures that no information relevant to state conversion is lost. We show that…
Yuya Kusuki, Hiroyasu Tajima, Shion YamashikaSep 14, 2026
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Separation of variables for non-diagonalisable models: XXX with twisted boundary conditions
We study the Heisenberg XXX spin chain with twisted periodic boundary conditions with a defective twist matrix. Using quantum separation of variables, we show that the generalised eigenvectors of…
Juan Miguel Nieto GarcíaSep 14, 2026
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Symmetry Descent in M-theory, Part I: A Twelve-Dimensional Parent Theory
We initiate a symmetry descent procedure for M-theory engineered quantum field theories. Starting from a higher form BF theory supplemented by a cubic bulk topological interaction, we construct a…
Pinak Banerjee, Subham Roy, Xingyang YuSep 14, 2026
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D-term and F-term potential of non-Abelian D7-branes in IIB Calabi-Yau orientifolds
We derive the 4d D-term and F-term potential generated by a D7-brane stack in Calabi-Yau orientifold compactifications of type IIB string theory, taking into account the effect of worldvolume and…
Daniel JunghansSep 14, 2026
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Exact group invariant scar towers in two dimensional gauge theories
We construct exact many-body scar towers in two dimensional gauge theories with two flavors of massless fundamental fermions. For oppositely charged fermions, the scar subspace is generated by a…
João Barata, Kiryl Pakrouski, Andrey V. SadofyevSep 14, 2026
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Single-Instance Observables in the Sachdev-Ye-Kitaev Model
We present a diagrammatic expansion for thermal expectation values of low-weight Majorana strings in a fixed realization of the N-fermion Sachdev--Ye--Kitaev (SYK) model. At each order in the…
Brian SwingleSep 14, 2026
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An attempt to derive the LVS from a 10d EFT perspective
Non-perturbative scalar potentials are a central ingredient for stabilising moduli in flux compactifications. A key target in this context is the direct 10d derivation of the LVS AdS potential, i.e.,…
Arthur Hebecker, Andreas Schachner, Gaetano Maria SifoSep 14, 2026
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