3107 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 investigates the dynamics of vortex dipoles on surfaces of variable negative curvature, specifically a catenoid, demonstrating that their Hamiltonian motion follows geodesics, conserves a momentum map associated with azimuthal symmetry, and exhibits self-propulsion orthogonal to the dipole axis with speed modulated by curvature.
This paper demonstrates that the Smeared Null Energy Condition (SNEC) imposes significant constraints on the viability of Genesis cosmology models within generalized Galileon theories, establishing SNEC as a powerful tool for limiting nonsingular cosmological scenarios that rely on null energy condition violations.
This paper demonstrates that the emergence of a robust cosmological arrow of time, distinguishing expanding from contracting histories, arises not merely from inflationary squeezing or boundary conditions but from environment-induced decoherence of superhorizon curvature modes, which irreversibly suppresses interference between macroscopically distinct branches within approximately 0.5 e-folds.
This paper establishes an axiomatic framework for the continuum limit of spin foam amplitudes, demonstrating that while strong convergence inevitably leads to a topological theory, a distributional approach inspired by Refined Algebraic Quantisation successfully yields a well-defined physical Hilbert space and interprets the gravitational path integral as a rigging map.
This paper demonstrates that in Einstein-Nonlinear-Electrodynamics models depending on two electromagnetic invariants, vacuum birefringence causes photons to follow two distinct paths, resulting in a single black hole casting two separate shadows and allowing researchers to constrain the charge-to-mass ratio of Sagittarius A* based on this phenomenon.
This paper investigates nearest-neighbour deformations of integrable models, specifically the XXZ spin chain, by classifying four distinct deformation types and providing numerical evidence that the onset of chaos and its volume scaling differ significantly between models that are perturbatively integrable versus those that are fully integrable or non-integrable.
This paper demonstrates that a multi-component dark matter model, specifically one with two distinct particle species annihilating exclusively into single final states, provides a statistically superior explanation for the Galactic Center GeV Excess compared to the traditional single-particle paradigm, effectively resolving spectral mismatches and alleviating tension with current constraints.
This paper constructs a Majorana-based , superspace formalism for the Kalb-Ramond topological term that reveals new bosonic and fermionic contributions, including a supersymmetric Chern-Simons-like coupling, which upon compactification shifts the Kaluza-Klein mass spectrum and offers novel implications for torsion phenomenology in Randall-Sundrum models.
This paper demonstrates that finite- bootstrap techniques can effectively constrain matrix and tensor models with quartic interactions, revealing that matrix model bounds depend on multi-trace expectation values rather than explicitly, while tensor model bounds vary with to provide novel constraints on the two-point function.
This paper presents the first fully analytical single-field inflation model featuring a smooth transition from slow-roll to ultra-slow-roll phases, achieved by introducing a time-dependent effective mass term that maintains a continuously varying second slow-roll parameter while enabling precise tracking of the curvature power spectrum's parameter dependence.