hep-th papers | Gist.Science

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.

Geometrically Significant Surfaces of Black Holes from a Single Scalar

This paper demonstrates that a single scalar function, derived from the analytically continued membrane-paradigm pressure of the Kerr-Newman black hole, serves as a unified global detector that simultaneously encodes the locations of all critical geometric surfaces—including horizons, stationary limits, singularities, and asymptotic infinity—while also admitting an interpretation as a generalized van der Waals equation of state.

Cagdas Ulus Agca, Bayram Tekin2026-04-14⚛️ gr-qc

Adaptive H-EFT-VA: A Provably Safe Trajectory Through the Trainability-Expressibility Landscape of Variational Quantum Algorithms

This paper introduces Adaptive H-EFT-VA, a provably safe variational quantum algorithm that dynamically navigates the trainability-expressibility tradeoff to overcome the reference-state gap of static methods while maintaining gradient variance and ensuring robust convergence without hyperparameter search.

Eyad I. B. Hamid2026-04-14⚛️ quant-ph

Discussion on the equivalence of two relativistic point-particle Lagrangians

This paper rigorously demonstrates that the two common relativistic point-particle Lagrangians are not generally equivalent for arbitrary external potentials, as they yield different dynamical behaviors (chaotic vs. integrable) and Hamiltonian structures, though they coincide for electromagnetic interactions or vanishing potentials.

Liubin Wang, Xin Wu2026-04-14⚛️ gr-qc

Entanglement inequalities for timelike intervals within dynamical holography

This paper extends the study of timelike entanglement inequalities in AdS $_3$ -Vaidya holography to two subregions, confirming the validity of mutual information positivity and weak monotonicity for non-overlapping intervals while demonstrating that timelike strong subadditivity is generally violated even as subadditivity and the Araki-Lieb inequality hold.

Gaurav Katoch, Debajyoti Sarkar, Bhim Sen2026-04-14⚛️ gr-qc

Dirac one-loop seesaw in a non-invertible fusion rule

This paper proposes a minimal radiative Dirac neutrino mass model stabilized by a non-invertible fusion rule from a $Z_3 \times Z_3'$ gauging, which successfully generates one-loop neutrino masses, provides a viable bosonic dark matter candidate, and remains consistent with current lepton flavor violation and magnetic moment constraints.

Hiroshi Okada, Labh Singh2026-04-14⚛️ hep-ph

`Seeing' the quantum ripples of spacetime

This paper proposes a tabletop detector model using a charged array of quantum harmonic oscillators in a cavity, where pumping with low-frequency photons enhances transition probabilities to enable the absorption or emission of single gravitons accompanied by photon exchange, thereby offering a potential method to "visualize" quantum spacetime ripples.

Soham Sen2026-04-14⚛️ gr-qc

Poisson Gauge Theories in Three Dimensions: Exact Solutions and Conservation Laws

This paper investigates Maxwell-Chern-Simons theory on a three-dimensional noncommutative spacetime with a constant spacelike Poisson structure, constructing exact classical solutions for pointlike charges that demonstrate how noncommutativity naturally regulates self-energy divergences, enables arbitrary magnetic flux generation, and supports a generalized Gauss's law.

Alexey Sharapov, David Shcherbatov2026-04-14⚛️ hep-th

Topological Elliptic Genera I -- The mathematical foundation

This paper establishes the mathematical foundation for Topological Elliptic Genera, which are homotopy-theoretic refinements of elliptic genera for $SU$-manifolds taking values in $G$ -equivariant Topological Modular Forms, and demonstrates their utility by deriving a new divisibility result for the Euler numbers of $Sp$-manifolds.

Ying-Hsuan Lin, Mayuko Yamashita2026-04-13🔢 math-ph

Non-local integrals of motion for deformed $W$ -algebras of types $g=A_l, D_l, E_{6,7,8}$

This paper presents an infinite set of non-local integrals of motion for deformed $W$ -algebras of types $A_l$ , $D_l$ , and $E_{6,7,8}$ , which serve as a two-parameter deformation of the trace of the monodromy matrix in $g$ -KdV theory, with their commutativity rigorously proven for $A_l$ and $D_l$ and conjectured for the exceptional cases.

Michio Jimbo, Takeo Kojima2026-04-13🌀 nlin

Microscopic study of nuclei synthesis in pycnonuclear reaction $^{12}$ C + $^{12}$ C in neutron stars

This paper employs a microscopic cluster model with folding potentials and the Multiple Internal Reflections method to demonstrate that the synthesis of $^{24}$ Mg via $^{12}$ C + $^{12}$ C pycnonuclear reactions in neutron stars is most probable through the formation of a new excited compound nucleus in quasibound states, offering a more precise description than traditional Woods-Saxon potentials.

S. P. Maydanyuk, Ju-Jun Xie, V. S. Vasilevsky, K. A. Shaulskyi2026-04-13⚛️ nucl-ex

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