3170 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 proposes that cosmological tensions regarding the expansion history and CMB lensing can be resolved by interpreting them as evidence for a negative neutrino mass, which can be realized through new light fields or dark sector models that predict distinct observable signals in polarization and galaxy statistics.
This paper investigates the construction of a Nicolai map for minimal four-dimensional supergravity, identifying significant obstructions from local supersymmetry and the conformal factor while successfully deriving a four-parameter first-order map, though full verification requires further second-order and quantum-level analysis.
This paper demonstrates that non-minimally coupled bumblebee models on an FLRW background are generally pathological due to the presence of ghost modes and non-propagating scalar perturbations, unless specific degeneracy conditions are met to reduce them to a subset of generalized Proca theory, while also imposing a stringent constraint on the bumblebee field derived from the speed of tensor modes.
This paper investigates the correspondence between highly excited strings and black holes with angular momentum, demonstrating that a thermal-winding mode induces a Hagedorn instability at a specific temperature and revealing a novel "rotating string star" saddle that interpolates between rotating string phases and rotating black holes.
This paper investigates the characterization of ringdown waves in dynamical Vaidya spacetimes by extending the correspondence between quasinormal frequencies and unstable null geodesics (via the Penrose limit) from static black holes to time-dependent scenarios, validating the approach through comparisons with numerically calculated waveforms.
This paper establishes that the inverse-cube decay of curvature on asymptotically flat three-dimensional manifolds constitutes a sharp geometric threshold where the spatial Lichnerowicz operator develops a zero-energy singularity, thereby providing a spectral mechanism for the infrared structure, soft modes, and universal late-time tails of linearized gravity.
This paper demonstrates that a generalized Polyakov mechanism can induce confinement at weak coupling in dimensions within a spatially varying magnetic field, where the interplay between field magnitude and variation scale allows monopole loops to develop flat directions, effectively replacing monopole pairs with deconfined loop "bits" to drive the confinement transition.
This paper investigates a unitary matrix model with Fisher-Hartwig singularities, demonstrating that it exhibits coupling-dependent finite- phase transitions which evolve into third-order Gross-Witten-Wadia transitions at large-, with all phases characterized by the locations of the singularities in the complex plane.
This paper establishes a computational framework for spinless gravitational wave scattering in worldline quantum field theory, proving that the -matrix exponentiates to match black hole perturbation theory phase shifts up to while providing efficient diagram generation and integral calculation techniques for future high-precision analyses.
This paper employs the closed-time-path formalism to derive a modified fluctuation-dissipation relation and a nonlinear Langevin equation for quantum Brownian motion with non-Gaussian noises arising from a system nonlinearly coupled to a harmonic oscillator environment, thereby providing a framework for analyzing non-Gaussian properties in fields like early universe cosmology and quantum optomechanics.