3148 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.
Using high-resolution Lyman- forest data and new Sherwood-Relics simulations, this study presents updated constraints on the isocurvature fraction of post-inflationary axion-like particles, revealing a tentative detection of a non-zero contribution while establishing competitive upper bounds that surpass previous large-scale structure limits.
This dissertation employs self-consistent holographic Einstein-Maxwell-dilaton and Einstein-Born-Infeld-dilaton models to investigate the mass spectra and melting dynamics of heavy and exotic mesons under finite temperature, baryon density, and external magnetic fields, revealing sequential dissociation patterns and anisotropic magnetic catalysis effects.
Using the miniDSE scheme of Dyson-Schwinger equations, this study demonstrates that including dynamical charm quark fluctuations in QCD induces a moderate but noticeable shift of approximately 2–3% to lower chemical potential in the location of the critical endpoint, highlighting the significance of heavy-flavor dynamics in precision studies of the QCD phase structure.
This paper demonstrates that a lunar laser interferometer can directly probe the kinetic sector of the effective field theory of dark energy by measuring horizon-scale metric fluctuations, thereby enabling constraints on the dark energy sound speed and kinetic operators that are inaccessible to traditional background expansion probes.
Employing the STOchastic LAttice Simulation (STOLAS) code, this study investigates the spatial profiles and topological structures of curvature perturbations in multi-waterfall hybrid inflation models, validating the stochastic-N algorithm while revealing how stochastic noise drives defect reconnection and imposes upper bounds on perturbations in cubic potential scenarios.
This thesis establishes a rigorous, algorithmic framework for restoring gauge and BRST invariance in chiral gauge theories using the BMHV scheme with non-anticommuting , successfully demonstrating its feasibility through the complete 4-loop renormalisation of an Abelian theory and the 1-loop renormalisation of the full Standard Model.
These Master level course notes provide an introduction to holography and the AdS/CFT correspondence, systematically covering foundational symmetries, Anti-de Sitter geometry, the holographic dictionary, black hole thermodynamics, and the emergence of gravity from entanglement.
This paper proposes Discrete θ Projection, a gauge-protected, axionless solution to the Strong CP problem that dynamically enforces a small physical QCD angle by gauging a finite cyclic subgroup of the theta shift symmetry, ensuring radiative and gravitational stability without introducing new light particles.
This paper presents a combined analytical and numerical study of field theory cosmic strings, demonstrating that while translational Goldstone modes lack nontrivial curvature corrections, massive shape modes couple to worldsheet curvature to induce parametric instabilities that transfer energy between sectors.
Motivated by gauge-string duality and quantum information, this paper defines layered degeneracy graphs to construct monomial bases for finite-dimensional commutative associative semisimple algebras, proving counting consistency and conjecturing determinant formulas that ensure invertibility for applications in symmetric group algebras and multi-matrix invariants.