High Energy Physics (Theory)

String theory, quantum gravity, quantum field theory, and theoretical particle physics.

hep-th · 195 papers

More on Classical Stability of Hopf-like Solitons of the Toroidal-Twisted type

Numerical analysis confirms the existence and classical stability of large-size, toroidal-twisted Hopf-like solitons in full QED theory.

2605.00757May 1, 2026Chao-Hsiang Sheu, Mikhail Shifman

Color Decompositions of the Two Loop Amplitudes of Yang-Mills theory

This paper examines the color structure of two-loop gluon amplitudes in Yang-Mills theory, systematizing relations between partial amplitudes.

2605.00685May 1, 2026David C. Dunbar

Reflection Symmetry, APS Boundary Conditions, and Equivariant Spectral Flow on a Warped Cylinder

This paper studies reflection symmetry and APS boundary conditions for twisted Dirac operators on a warped cylinder, detailing unitary symmetry conditions and spectral flow.

2605.00589May 1, 2026Taro Kimura, Sanchita Sharma

$ρ$ mesons in finite magnetic field and finite temperature

A study on $ρ$ meson mass spectra in finite magnetic fields and temperatures reveals complex behaviors consistent with LQCD.

2605.00561May 1, 2026Zhiyang Liu, Min Zhou, Yvming Tian +3

Perturbative Analysis of CPT-Odd Lorentz-Violating Scalar QCD

This paper analyzes CPT-odd Lorentz-violating scalar QCD, proving its one-loop renormalizability and calculating key renormalization constants.

2605.00559May 1, 2026J. C. C. Felipe, L. C. T. Brito, A. C. Lehum +2

A consistent formulation of stochastic inflation I: Non-Markovian effects and issues beyond linear perturbations

This paper shows that stochastic inflation is intrinsically non-Markovian and requires quadratic-noise terms for a consistent treatment of nonlinear perturbations.

2605.00476May 1, 2026Diego Cruces, Tomotaka Kuroda

Generalized First Law and Smarr Formula: Beyond Additivity and Extensivity

Develops a generalized first law and Smarr formula for black holes using broad entropy models beyond traditional additivity.

2605.00381May 1, 2026Usman Zafar, Krishnakanta Bhattacharya, Kazuharu Bamba

Unraveling the Bott spiral

This paper constructs a homotopy-theoretic model for the Bott spiral of symmetry-protected topological phases, linking free and interacting fermionic systems.

2605.00316May 1, 2026Arun Debray, Cameron Krulewski, Luuk Stehouwer

Micron-sized Extra Dimensions and Primordial Black Holes: Charges, Rotating, and Memory Burdened

This paper explores 6D primordial black holes in micron-sized extra dimensions as dark matter, testable at future colliders.

2605.00252Apr 30, 2026George K. Leontaris, George Prampromis

Topological charges and confined-deconfined phase transition in holography

This paper uses a holographic AdS/QCD model to show how topological charges in AdS space relate to confined-deconfined phase transitions.

2605.00203Apr 30, 2026Nelson R. F. Braga, William S. Cunha

Reciprocal symmetry and KNO scaling violation in proton-proton collisions

This paper analyzes KNO scaling violation in p-p collisions, identifying a reciprocal symmetry to extract entanglement entropy.

2605.00128Apr 30, 2026Mustapha Ouchen, Alex Prygarin

Criticality on Rényi defects at (2+1)$d$ O(3) quantum critical points

This paper explores critical correlations on Rényi defect lines in (2+1)d O(3) quantum critical points, finding multiple defect universality classes.

2605.00104Apr 30, 2026Yanzhang Zhu, Zhe Wang, Meng Cheng +1

Pre-inflationary QCD axion stars after moduli domination

Early matter domination leads to pre-inflationary QCD axion dark matter forming dense axion stars, potentially comprising 50% of dark matter.

2605.00103Apr 30, 2026Edward Hardy, Noelia Sánchez González, Henry Stubbs +1

A New Robust Constraint on the Self-interaction Cross-section of Dark Matter with Double Radio Relic Clusters

This paper presents a new robust constraint on dark matter self-interaction cross-section using double radio relic clusters, achieving sigma/m < 0.22 cm^2/g.

2605.00093Apr 30, 2026M. James Jee, Dongak Park, Wonki Lee

On the Asymptotic Causal Structure in Gravitational EFTs

Gravitational EFTs can exhibit asymptotic superluminality in D>4, but not in D=4, where causal structure remains Schwarzschild-like.

2605.00089Apr 30, 2026Bruno Bucciotti, Paolo Creminelli, Alessandro Longo +2

Covariant Locally Localized Gravity and vDVZ Continuity

The zero mass limit of Karch-Randall braneworld gravity yields a massless graviton and a decoupled massive vector, challenging standard RS-II.

2604.28194Apr 30, 2026Hao Geng, Moritz Merz, Lisa Randall

Towards Systematics of Calabi-Yau Landscape for String Cosmology

This review explores how Calabi-Yau threefolds' topology and geometry impact string cosmology, particularly in moduli stabilization and inflationary models.

2604.28189Apr 30, 2026George K. Leontaris, Pramod Shukla

Cosmology of fractional gravity

A first study of classical fractional gravity cosmology derives Friedmann equations, revealing stable de Sitter and phantom/ghost-sustained bouncing solutions.

2604.28188Apr 30, 2026Iván Salvador-García, Gianluca Calcagni

BV quantization of $φ^3$-theory on $λ$-Minkowski space: Tree-level correlation functions

Compares standard and braided BV quantization of $φ^3$-theory on $λ$-Minkowski space, analyzing tree-level correlation functions.

2604.28114Apr 30, 2026Djordje Bogdanović, Marija Dimitrijević Ćirić, Stefan Djordjević +1

A No-Cloning Trade-off Between Black Hole No-Hair and Horizon Smoothness

This paper proves a quantitative trade-off: observable quantum hair on black holes is incompatible with exact horizon smoothness under unitary evolution.

2604.28050Apr 30, 2026Sudhanva Joshi, Sunil Kumar Mishra

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