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.

⚛️ high-energy theory

Free field construction of Heterotic string compactified on Calabi-Yau manifolds of Berglund-Hubsch type in the Batyrev-Borisov combinatorial approach

This paper generalizes the free field construction of Heterotic string models from Gepner points to all Calabi-Yau manifolds of Berglund-Hubsch type by utilizing the Batyrev-Borisov combinatorial approach to define vertex operators via Borisov differentials and derive particle spectrum representations directly from reflexive Batyrev polytopes.

Alexander Belavin2026-03-17✓ Author reviewed ⓘ

🔭 astrophysics

Could Planck Star Remnants be Dark Matter?

This paper proposes that Planck Star Remnants, formed via nonsingular quantum bounces in Loop Quantum Cosmology that remain causally hidden and stable after black hole evaporation, constitute a viable candidate for dark matter consistent with current astrophysical constraints.

Oem Trivedi, Abraham Loeb2026-03-17

⚛️ high-energy theory

Gauge potentials on the M5 brane in twisted equivariant cohomotopy

This paper demonstrates that traditional local gauge potentials and transformations for the C-field on M5 branes in curved spacetimes and orbifolds emerge naturally from the global completion of flux quantization via twisted equivariant cohomotopy, specifically by constructing explicit surjections from null concordances of cohomotopically charged fluxes under Hypothesis H.

Pinak Banerjee2026-03-17

⚛️ high-energy theory

Extending fusion rules with finite subgroups: A general construction of $Z_{N}$ extended conformal field theories and their orbifoldings

This paper presents a general construction of $Z_N$ -extended conformal field theories and their orbifoldings by deriving $Z_N$ -symmetry extended fusion rings and modular partition functions for nonanomalous subgroups, which provide fundamental algebraic data for symmetry topological field theories and describe charged or gapped domain walls and massless renormalization group flows via the folding trick.

Yoshiki Fukusumi, Shinichiro Yahagi2026-03-17

⚛️ high-energy theory

Note on searching for critical lattice models as entropy critical points from strange correlator

This paper demonstrates that applying a recently proposed entropy function to lattice transfer matrices constructed via the topological holographic principle provides an efficient, cost-effective strategy for identifying critical boundary conditions, estimating central charges, and mapping multi-dimensional phase diagrams, even for small system sizes.

Anran Jin, Ling-Yan Hung2026-03-17

⚛️ general relativity

Thermodynamic Split Conjecture and an Observational Test for Cosmological Entropy

This paper proposes the Thermodynamic Split Conjecture, which asserts that black hole and cosmological horizon thermodynamics are fundamentally inequivalent in any UV-complete quantum gravity, and outlines a falsifiable observational test using tomographic entropy proxies to distinguish between these regimes and refine our understanding of cosmological horizon entropy.

Oem Trivedi2026-03-17

⚛️ phenomenology

Tensorial charge assignments in unitary groups

This paper introduces an index-based tensorial framework that leverages the additivity of weights to provide a practical method for computing charge eigenvalues of arbitrary tensor representations in unitary gauge groups, with explicit applications demonstrated for SU(2), SU(3), and SU(5).

E. Castillo-Ruiz, Henry Diaz, V. Pleitez2026-03-17

⚛️ general relativity

Gaussian Planck Relics are Ruled-Out as Dark Matter by LIGO

This paper demonstrates that LIGO's constraints on the gravitational wave background rule out the formation of Planck star relics as dark matter from Gaussian initial conditions, leaving non-Gaussian primordial fluctuations as the sole viable formation channel.

Oem Trivedi, Abraham Loeb2026-03-17

⚛️ high-energy theory

Exact Quench Dynamics from Thermal Pure Quantum States

This paper presents an exact solution for the entanglement entropy dynamics following a quench from a thermal pure quantum state in a free fermion system, revealing a characteristic double-plateau structure that contrasts with typical linear growth and saturation, as confirmed through 2D conformal field theory on the Klein bottle, matrix Riccati equation numerics, and a quasiparticle picture.

Hui-Huang Chen2026-03-17

⚛️ general relativity

Cosmological Implications of Thermodynamic Split Conjecture

This paper explores the cosmological consequences of the Thermodynamic Split Conjecture, demonstrating that the inequivalence between black hole and cosmological horizon thermodynamics can alter key early and late-universe phenomena while offering potential resolutions to the $H_0$ and $S_8$ tensions through modified Friedmann dynamics.

Oem Trivedi2026-03-17

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hep-th

Free field construction of Heterotic string compactified on Calabi-Yau manifolds of Berglund-Hubsch type in the Batyrev-Borisov combinatorial approach

Could Planck Star Remnants be Dark Matter?

Gauge potentials on the M5 brane in twisted equivariant cohomotopy

Extending fusion rules with finite subgroups: A general construction of ZNZ_{N}ZN​ extended conformal field theories and their orbifoldings

Note on searching for critical lattice models as entropy critical points from strange correlator

Thermodynamic Split Conjecture and an Observational Test for Cosmological Entropy

Tensorial charge assignments in unitary groups

Gaussian Planck Relics are Ruled-Out as Dark Matter by LIGO

Exact Quench Dynamics from Thermal Pure Quantum States

Cosmological Implications of Thermodynamic Split Conjecture

Extending fusion rules with finite subgroups: A general construction of $Z_{N}$ extended conformal field theories and their orbifoldings