3039 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 demonstrates that tensor perturbations generated during first-order cosmological phase transitions in a secluded dark sector can produce observable CMB B-mode signals comparable to inflationary predictions, potentially complicating the interpretation of future data but offering a way to distinguish the two scenarios through multi-scale measurements.
This paper introduces the concept of "graded unitarity" to characterize the non-conventional unitarity of vertex algebras derived from four-dimensional superconformal field theories and demonstrates that, for Virasoro and affine Kac–Moody algebras, this property uniquely selects the specific central charges and levels known to arise from such four-dimensional theories.
This paper investigates Krylov complexity in open quantum systems using the Caldeira-Leggett model, revealing that while the complexity captures dissipative features, it remains insensitive to the onset of decoherence due to the mismatch between the Krylov basis and the conventional basis used to study decoherence.
This paper investigates the local characteristics of the Fulling-Rindler vacuum for a massive Dirac field in -dimensional spacetime with a uniformly accelerating mirror, decomposing the fermion condensate and energy-momentum tensor into boundary-free and boundary-induced contributions to reveal their distinct behaviors near the Rindler horizon and the mirror, as well as their contrasting properties compared to the Minkowski vacuum.
This paper constructs self-gravitating, singularity-free baryonic tube solitons in an $SU(N)$ Einstein non-linear sigma model coupled to -mesons, demonstrating that increasing the number of flavors enhances physical predictions by reducing binding energy despite increasing total energy.
This paper argues that the Kerr-Schild and twistorial double copy prescriptions are equivalent for a broad class of self-dual vacuum solutions, a claim demonstrated through elementary null Lorentz transformations and illustrated with the self-dual Kerr-Taub-NUT spacetime.
This paper develops theoretical diagnostics for the breakdown of mean-field theory, demonstrating how spatial structure and finite interaction ranges qualitatively alter the effective description and renormalization-group flow.
This paper establishes strict quantitative conditions and demonstrates via simulation that a mesoscopic spinor Bose-Einstein condensate of approximately 370 spins near the Lipkin-Meshkov-Glick critical point can exhibit classically forbidden temporal correlations, specifically through an exponentially suppressed Landau-Zener error rate and a Leggett-Garg inequality violation (K_3 ~ 1.32), both robust against realistic dephasing due to emergent collective symmetry and dynamical phase alignment.
This paper introduces `fermionic_amplitudes.m`, a Mathematica package that computes tree-level scattering amplitudes for arbitrary numbers of gauge bosons and massless fermions in pure non-supersymmetric gauge theories by expressing distinct-flavour amplitudes as linear combinations of single-flavour components derived from supersymmetric Yang-Mills theory, while providing explicit numeric colour tensors for cross-section calculations.
This paper proposes that simple neural networks trained on crossing symmetry can accurately reconstruct conformal correlators using minimal inputs, a success attributed to the alignment between the spectral bias of gradient-based training and the intrinsic smoothness of conformal field theory, thereby suggesting a novel variational principle for non-perturbative quantum field theory.