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 the previously observed universal negativity of the equilateral bispectrum from massive scalar exchange during inflation is not a generic feature, but rather a consequence of restricted operator structures, as including additional EFT operators, reduced sound speed, or multi-particle exchanges can flip the bispectrum's sign to positive.
This paper demonstrates that lattice quantum electrodynamics functions as a quantum error-correcting code by utilizing quantum reference frames to resolve syndrome degeneracy and construct explicit recovery operations for both pure-gauge and fermionic sectors, thereby revealing the deep information-theoretic significance of gauge symmetry as an encoding structure for noise protection.
This paper proposes a non-unitary, pseudo-hermitian model of two coupled Higgs doublets in four dimensions that exhibits cyclic renormalization group flows and "Russian Doll" scaling of vacuum expectation values, potentially offering a novel explanation for the three families of Standard Model particles and the hierarchy problem.
This paper presents a coordinate- and spacetime-independent scalar-field solution within quantum field theory that unifies descriptions across various cosmological models, locally recovers standard Minkowski physics, and remains non-perturbative in strong gravitational fields.
This paper proposes a six-dimensional $SO(20)$ gauge theory with a single spinor fermion that, upon compactification to five dimensions, successfully unifies the Standard Model Higgs field and three generations of quarks and leptons into a single geometric and algebraic framework.
This paper establishes that the quantized Coulomb branch of 4d $Sp(N)$ gauge theory with specific matter content is isomorphic to the spherical double affine Hecke algebra of -type, a result rigorously proven for the rank-one case and conjectured for higher ranks with supporting evidence from 't Hooft loop operators.
This paper introduces a non-unitary, pseudo-hermitian model of coupled scalar fields in 4D that exhibits rich renormalization group structures—including cyclic flows, massless transitions, and a conjectured all-orders beta function—revealing a previously unknown line of non-unitary conformal field theories.
This paper establishes a novel canonical and path-integral framework for quantum field theory in Klein space with two time directions, demonstrating that results derived by evolving along the "length of time" coordinate and incorporating additional modes are consistent with those obtained via analytical continuation from Minkowski spacetime.
This paper presents a method to analytically construct a localized, five-dimensional rotating braneworld black hole that connects to an AdS boundary and reproduces the standard four-dimensional Kerr spacetime on the brane, supported by a non-diagonal anisotropic fluid in the bulk without requiring matter on the brane itself.
This paper reassesses the accuracy of the Dudley-Finley approximation for Kerr-Newman quasinormal modes by comparing it to full coupled calculations, revealing typical agreement within 10% for real frequencies and 1% for imaginary parts, while also deriving analytic boundaries for distinct near-extremal damping regimes and analyzing the trajectories of high-overtone modes.