Hep-Th, or high-energy theoretical physics, explores the fundamental building blocks of our universe and the forces that govern them. Researchers in this field use complex mathematics to understand everything from subatomic particles to the behavior of black holes, often pushing the boundaries of what we know about space and time.

At Gist.Science, we monitor the arXiv repository to ensure you stay ahead of the curve in this rapidly evolving discipline. For every new preprint uploaded to arXiv under this category, our team generates both accessible plain-language overviews and detailed technical summaries, making cutting-edge research understandable regardless of your background.

Below are the latest papers in high-energy theoretical physics, curated to help you navigate the most significant recent discoveries.

Chiral Fermion Localization in Two-Kink Scalar Backgrounds: Tunable Brane Positioning and Universal Divergence at the Single-Kink Limit

This paper demonstrates that in a two-kink scalar background derived from the φ4\varphi^4 model, chiral fermion localization allows for the continuous tuning of the effective brane position via an asymmetry parameter and exhibits a universal power-law divergence in mode separation as the system approaches the single-kink limit, offering a concrete realization in bilayer graphene.

H. P. Pinheiro, C. A. S. Almeida2026-04-16⚛️ hep-th

Non-Gaussian fluctuations in relativistic hydrodynamics: Confluent equations for three-point correlations

This paper introduces a novel, manifestly covariant relativistic formalism that derives deterministic equations for the evolution of non-Gaussian fluctuations and three-point correlations in stochastic hydrodynamics, successfully addressing the complex problem of correlating fluctuating velocity within a unified multi-component matrix framework.

Xin An, Gokce Basar, Mikhail Stephanov2026-04-16⚛️ nucl-th

Gravitational Sommerfeld Effects: Formalism, Renormalization, and Perturbation to O(G10)O(G^{10})

This paper develops a systematic worldline effective field theory framework to compute gravitational Sommerfeld factors for binary inspirals with tidal effects, deriving closed-form expressions and analytically solving for the magnitude and phase of the factor up to O(G10)O(G^{10}) while establishing a new renormalization group equation for radiative multipole moments to improve waveform resummation.

Chih-Hao Chang, Chia-Hsien Shen, Zihan Zhou2026-04-16⚛️ hep-th

Lagrangian correspondences for moduli spaces of Higgs bundles and holomorphic connections

This paper constructs Lagrangian correspondences between moduli spaces of rank-nn Higgs bundles and holomorphic connections on a Riemann surface and specific Hilbert schemes, utilizing transversal bundles to induce divisors and parameters, thereby providing a geometric realization of the Dolbeault geometric Langlands correspondence and a pathway toward its de Rham quantization.

Panagiotis Dimakis, Duong Dinh, Shengjing Xu2026-04-16🔢 math-ph

All-order structure of static gravitational interactions and the seventh post-Newtonian potential

This paper derives a closed formula for computing static post-Newtonian corrections to two-body gravitational dynamics at any odd order using a correlation function framework and Z2\mathbb{Z}_2 symmetry, which is applied to successfully calculate the seventh-order potential and confirm its agreement with diagrammatic factorization theorem results.

Giacomo Brunello, Manoj K. Mandal, Pierpaolo Mastrolia, Raj Patil, Matteo Pegorin, Sid Smith, Jan Steinhoff2026-04-16⚛️ hep-th

On generalized black brane solutions in the model with multicomponent anisotropic fluid

This paper presents a family of spherically symmetric black brane solutions in a model with multicomponent anisotropic fluid, governed by moduli functions satisfying non-linear differential equations, and demonstrates that specific subclasses with horizons arise when the equation of state parameters correspond to semisimple Lie algebras, thereby generalizing known solutions in supergravity and higher-dimensional gravity.

V. D. Ivashchuk2026-04-15⚛️ hep-th

ISCOs and the weak gravity conjecture bound in higher derivative theories of gravity

This paper establishes that demanding the positivity of anomalous dimensions for heavy-light double twist operators in the dual CFT imposes a charge-to-mass ratio bound on charged probes in higher-derivative AdS black holes that exactly matches the Weak Gravity Conjecture, while demonstrating that Innermost Stable Circular Orbits (ISCOs) persist up to this bound with radii decreasing as higher-derivative coupling parameters increase.

Adrinil Paul, Chandrasekhar Bhamidipati2026-04-15⚛️ hep-th