⚛️ Category

hep-th

4271 papers

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.

⚛️ general relativity

Classical emergence of the quantum-backreacted BTZ black hole from exponential electrodynamics

This paper demonstrates that the quantum-backreacted BTZ black hole arising in New Massive Gravity can be classically realized as a unique static solution in Einstein gravity coupled to exponential nonlinear electrodynamics, establishing a dynamical equivalence between the two theories and enabling a reinterpretation of quantum imprints as classical charges through a detailed thermodynamic analysis.

Julio A. Méndez-Zavaleta, Efraín Rojas, José Joaquín Suárez-Garibay2026-08-19
⚛️ phenomenology

Probing the Internal Structure of X(3872)X(3872) via Magnetic Moment: Distinguishing Color-Singlet and Compact Configurations

This paper calculates the magnetic moment of the X(3872)X(3872) hadron using a non-relativistic quark model with a realistic three-body force to demonstrate that the resulting value can qualitatively distinguish between pure color-singlet (molecular-like) and compact internal configurations, despite the model's inability to fully capture extended molecular dynamics.

M. Monemzadeh, N. Tazimi2026-08-19
⚛️ high-energy theory

Variable-mass sine-Gordon with point defects: integrability, soliton transmission, and quasi-conservation

This paper establishes the integrability of a variable-mass sine-Gordon model with point defects by constructing defect matrices and conserved charges, analyzes soliton transmission and topological conversion through analytical and numerical methods, and demonstrates how deforming integrable conditions leads to quasi-conservation laws with potential applications in nonlinear physical systems.

A. R. Aguirre, H. Blas, H. F. Callisaya, M. C. de Oliveira2026-08-19
⚛️ general relativity

Removability criterion for radiative corrections to the Starobinsky attractor in weakly nonlocal gravity

This paper establishes a removability criterion for radiative corrections in weakly nonlocal gravity, demonstrating that while certain one-loop effects preserve the Starobinsky attractor's predictions by evolving the model into the E-family, other deformations (such as specific RnR^n terms or matter-induced corrections) fail this test and significantly shift the inflationary observables.

Ekapob Kulchoakrungsun, Phongpichit Channuie, Daris Samart2026-08-19
⚛️ general relativity

Ostrogradsky's Theorem is Incompatible with Background Independence in Quantum Gravity

The paper argues that Ostrogradsky's theorem, which predicts unstable ghost modes in higher-derivative systems, does not apply to background-independent quantum gravity because the Hamiltonian constraint forces the total energy to vanish, thereby reinterpreting the ghost mode as a necessary component of spacetime construction, while noting that the theorem remains valid only within background-dependent weak-field approximations below the Planck scale.

Ken-ji Hamada2026-08-19
⚛️ phenomenology

From the universal Lindblad equation to Boltzmann equations: in-QGP quarkonium dynamics

This paper establishes a systematic theoretical foundation for quarkonium dynamics in the quark-gluon plasma by deriving coupled singlet-octet Boltzmann transport equations directly from universal Lindblad equations within pNRQCD, thereby extending semiclassical descriptions beyond the small-dipole approximation and identifying additional collision terms absent in previous rotating-wave approximations.

Aoumeur Daddi Hammou, Pol Bernard Gossiaux2026-08-19