3154 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 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.
This paper proposes a new guiding principle for modified-gravity effective field theories—that closed timelike curves should be harder to obtain than in General Relativity—and demonstrates how this causal constraint, alongside stability requirements, yields unique parameter bounds on Horndeski-based rotating black holes while offering a novel gravitational-wave probe via quasinormal modes and echoes to diagnose spacetime causality.
This paper investigates finite-tension string solutions in a gapless four-dimensional non-linear sigma model, demonstrating that quantum corrections to the string's ground state energy and width generally deviate from universal Effective String Theory predictions unless specific limits decouple the bulk dynamics.
This paper establishes the existence of solutions to the gauged Chern-Simons-O(3)-Sigma model on compact Riemann surfaces using topological methods, demonstrating that solutions exist for small deformation parameters with multiple solutions when vortex and antivortex counts differ, while proving global existence for any parameter value when these counts are equal, alongside numerical investigations on the sphere.
Using fermion-bag Monte Carlo simulations, this study demonstrates that introducing a small nonzero four-fermion coupling () to a lattice fermion model qualitatively alters its phase diagram by splitting a single exotic symmetric mass generation transition into two distinct conventional transitions (Gross-Neveu and 3D XY) separated by an intermediate spontaneous symmetry breaking phase.
This paper demonstrates that in spin-1 fermionic systems, Lorentz symmetry breaking introduces a non-topological, momentum-dependent non-Abelian background potential that modifies the conventional chiral anomaly equation, resulting in a non-quantized anomaly coefficient.
This paper employs perturbative methods within de Sitter electroweak theory to calculate the production rates and resulting number density of bosons emitted from neutrino decays in the early Universe, analyzing their dependence on particle momenta and renormalization mass.
By combining advanced quantum Monte Carlo simulations with a novel loop estimator for Rényi entanglement entropy, this study demonstrates that an SU() generalization of the Heisenberg antiferromagnet in 1+1 dimensions exhibits weak first-order pseudocriticality driven by proximity to a complex conformal field theory, a finding that accurately recovers the real part of the complex central charge for and reinterprets the dimerized phase of the spin-1 chain as pseudocritical.
This paper demonstrates that the excitation energy of long strings on deformed BTZ black hole backgrounds formed near NS5 branes corresponds to the spectrum of deformed , with winding modes mapping to twisted sectors of a symmetric product theory.