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

Thermodynamic stability and geometric thermodynamics of charged black holes in Rastall-massive gravity under quintessence

This paper derives a new charged black hole solution in Rastall-massive gravity with a quintessence field, demonstrating that its thermodynamic stability and Van der Waals-like phase transitions are consistent with both standard thermodynamic analysis and geometric thermodynamics, while linking critical transitions to observable photon sphere properties.

Mohamed Chabab, Samir Iraoui, Hicham Sriba2026-08-11
🔢 mathematics

3d N=4\mathcal N=4 rank-zero mirror symmetry, TQFT interfaces, and Zagier duality of Nahm sums

This paper establishes a concrete realization of Zagier duality between (E8,T1)(E_8,T_1) and (T1,E8)(T_1,E_8) Nahm systems by constructing and verifying the 3d N=4\mathcal N=4 rank-zero mirror symmetry of two Chern--Simons matter theories, demonstrating that their TQFT interfaces and twisted half-indices precisely encode the duality transformation.

Yutaka Yoshida2026-08-11
⚛️ phenomenology

Matrix Multiverses Meet Multiple Mythologies

This paper proposes a model where asymptotically de Sitter universes reside inside black holes within a maximally entropic flat universe, arguing that these universes equilibrate on timescales exponentially shorter than de Sitter recurrence times, thereby rendering their internal structure undetectable and potentially explaining the selection of unnatural cosmological constants through the requirement for intelligent life.

Sidan A, Tom Banks, Willy Fischler2026-08-11
⚛️ high-energy theory

Superselected ghost theory: perturbation theory

This paper introduces a ghost-parity-preserving perturbation theory (Z2_2PT) for superselected ghost quantum field theories by applying a similarity transformation to the Hamiltonian, which yields an expansion similar to old-fashioned perturbation theory but distinguished by a specific principal-value prescription for cross-sector energy denominators and unique contact terms arising from vanishing denominators.

Bob Holdom2026-08-11