4375 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.
This paper rigorously tests the restricted Quantum Focusing Conjecture (rQFC) by proving it in two-dimensional JT gravity models while providing counter-examples to the stronger original conjecture, and further derives a universal strengthened Quantum Null Energy Condition (QNEC) for higher dimensions that limits how rapidly the bound can saturate as transverse area vanishes.
This paper proposes a five-dimensional warped anti-de Sitter inflation model with a finite initial time, demonstrating that the interaction between a UV-brane-localized inflaton and a dynamically evolving IR brane produces a two-field hyperbolic inflation scenario that generates observable deviations in the cosmic microwave background, specifically a blue tilt in the adiabatic power spectrum and oscillatory features in the tensor spectrum at large scales.
This study investigates the entanglement entropy of analogue Hawking radiation in acoustic black holes surrounding a Schwarzschild black hole, demonstrating that the emergence of islands restores unitarity and yields a Page curve in the non-extremal case, whereas the extremal case results in divergent entropy.
This study investigates cosmological constraints on long-lived particles decaying into dark matter via dimension-six effective operators, analyzing how such decays affect Big Bang Nucleosynthesis and the effective number of neutrino species to delineate the allowed parameter space consistent with observational data.
This paper demonstrates that the masses of highly excited meson states in the 't Hooft model can be accurately determined using a simple quantum-mechanical model with a linear potential, reproducing 't Hooft's mass spectrum in the ultrarelativistic limit while revealing exponentially suppressed finite widths for relativistic levels.
This paper demonstrates that a -symmetric quantum impurity model with complex-conjugate boundary Kondo interactions exhibits a monotonic decrease in impurity entropy from to $0$ as it flows from the ultraviolet to the infrared Kondo-screened regime, thereby extending the understanding of entropy flow beyond the standard assumptions of the -theorem in non-Hermitian many-body systems.
This paper demonstrates that transverse-longitudinal polarization interference in exclusive jets processes vanishes upon phase-space integration for decays but is softened by parity violation for and bosons, providing a framework to account for fiducial cuts and implications for new physics and heavy ion collisions.
This paper analyzes two superconducting circuit analogues of Schwarzschild black holes to determine their viability for observing Hawking radiation, concluding that while a tunable dc-SQUID transmission line can achieve distinguishable Hawking temperatures around 113 mK under realistic dissipative conditions, the solitonic SNAIL-based model requires further optimization.
This paper demonstrates that in a massless two-component Dirac theory with exact SU(2) flavor symmetry, the condensation of a self-interacting vector boson dynamically generates a Fermi surface mismatch through spontaneous symmetry breaking, thereby enabling the formation of a stable relativistic superfluid and extending the Chandrasekhar-Clogston limit into a surface within coupling space.
This paper identifies a new sixteen-fold family of (2+1)D fermionic topological orders characterized by a mod 16 't Hooft anomaly of a one-form symmetry, which allows for intrinsically fermionic anyon spins and can be realized as gapped boundaries of twisted (3+1)D fermionic SPT phases via lattice models.