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.

⚛️ high-energy theory

RG Dynamics of Irrelevant Fermion Operators and the Drag Coupling Mechanism

This paper demonstrates that while the renormalization-group flow driven by BCS interactions induces a "drag mechanism" that pushes higher-dimensional fermionic operators toward strong coupling, it simultaneously preserves a parametric hierarchy that prevents these operators from destabilizing the infrared-stable non-Fermi-liquid fixed point in 2+12+1 dimensions.

Jeremias Aguilera-Damia, Diego Rodriguez-Gomez, Jorge Russo2026-06-15
⚛️ high-energy theory

Black hole thermodynamics and KK photon quantum corrections in 2D effective dilaton gravity

This paper demonstrates that a two-dimensional effective dilaton gravity theory derived from four-dimensional Einstein-Maxwell theory successfully reproduces the semiclassical thermodynamic phase structure of charged AdS black holes, while showing that one-loop Kaluza-Klein photon corrections only induce constant shifts in entropy and charge parameters without qualitatively altering this phase structure.

Yoshihiko Abe, Tetsutaro Higaki, Yu Miyauchi2026-06-15
⚛️ high-energy theory

Hydrodynamics of Nonminimal F(a)αβF(a)γλRαγRβλF^{(a)\alpha \beta } F^{(a)\gamma \lambda } R_{\alpha \gamma } R_{\beta \lambda } AdS Black Brane

This paper investigates the hydrodynamic properties of a strongly coupled non-Abelian plasma dual to a four-dimensional AdS black brane with a nonminimal curvature-gauge coupling, demonstrating that this higher-derivative interaction significantly modifies the DC color conductivity and shear viscosity-to-entropy density ratio, potentially violating their respective universal bounds depending on the sign of the coupling constant.

Mehdi Sadeghi2026-06-15
⚛️ high-energy theory

Quantum Entanglement of Bethe States

This paper investigates the bipartite entanglement entropy of Bethe states across various integrable spin chains, systematically identifying the specific solutions that minimize and maximize entanglement, revealing that while the ground state often minimizes entropy in the XXX1/2_{1/2} model, this correspondence breaks down in higher-spin and non-compact chains, and further developing an optimization algorithm to explore maximum entanglement for off-shell states.

Yu Hao, Yunfeng Jiang, Bi-Quan Yang, De-liang Zhong2026-06-15
⚛️ general relativity

Dynamical tidal response of neutron stars via scattering amplitudes

This paper establishes a systematic framework within worldline effective field theory to define and compute the dynamical tidal response of neutron stars by matching gravitational-wave scattering amplitudes between the effective theory and full stellar perturbation theory, thereby resolving coordinate ambiguities and recovering key physical features like static limits, resonant behaviors, and dissipative effects.

M. V. S. Saketh, Suprovo Ghosh, Nils Andersson2026-06-15