4400 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 presents a universal improvement to the Robertson-Schrödinger uncertainty relation by introducing a new, experimentally accessible noncommutativity-induced term that tightens the bound for mixed states and becomes an exact equality for all states and observables in two-level quantum systems.
This paper demonstrates that autoregressive neural networks can efficiently estimate reduced density matrices and calculate the continuum limit of bipartite entanglement entropies for quantum spin chains by leveraging their correspondence with classical two-dimensional systems, requiring only a single training session for a fixed discretization and volume.
This paper establishes a direct link between spread complexity and quantum circuit complexity by demonstrating that the former emerges as a limiting case of a synthesis framework involving time-evolution and superposition, offering a physical interpretation and computational advantages over traditional methods like the Lanczos algorithm.
This paper introduces a real-time Wigner-functional lattice framework with a connected-cluster survival criterion to accurately characterize false-vacuum decay rates across the quantum-to-thermal crossover, revealing that global-survival methods can underestimate rates at high temperatures due to multi-seed dynamics while transient effects contaminate fraction observables at low temperatures.
This paper investigates the one-loop effective potential of the r0 (or "GOOFy") symmetric two-Higgs Doublet Model and a minimal symmetric model, concluding that the symmetry remains valid at the one-loop level provided the UV cutoff squared transforms non-trivially under r0 and the minimal model includes two real fields.
This paper establishes the complete equivalence between two Schwinger-Keldysh effective field theory approaches for non-Abelian charge transport near thermal equilibrium, extends both formalisms to satisfy dynamical Kubo-Martin-Schwinger symmetry to all orders in , and provides a systematic framework for analyzing transport and fluctuations through clarified power-counting rules.
This paper proposes that the thermal entropy of 2d and 3d black holes arises from string entanglement between folded strings in the dual sine-Liouville CFT, where a worldsheet replica method reveals a vertex operator contribution that matches the low-temperature entropy in large dimensions and a remaining replica contribution that likely accounts for the total entropy.
This paper establishes the Flat/CCFT correspondence by deriving the entanglement entropy of highly excited states in 2d Carrollian/Galilean CFTs, which matches holographic results from 3D Einstein gravity and confirms the Eigenstate Thermalization Hypothesis while defining a precise dictionary between boundary and bulk parameters.
This paper employs machine learning techniques to revisit the fermion mass problem in the Georgi-Glashow grand unified theory, demonstrating that models incorporating a 24-dimensional field or a continuous parameter offer a more "beautiful" (closer to the original model) resolution to the observed fermion mass spectrum than those using a 45-dimensional field.
This paper introduces unit-invariant generalizations of von Neumann entanglement entropy based on the Unit-Invariant Singular Value Decomposition (UISVD), demonstrating their stability and physical relevance across diverse frameworks including biorthogonal quantum mechanics, random matrix theory, and Chern-Simons theory.