3062 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 employs lattice simulations to demonstrate that nonperturbative scalar dynamics during ultra-slow-roll inflation can significantly alter the amplitude and spectral shape of scalar-induced gravitational waves, revealing that standard semi-analytical perturbative methods often fail to provide reliable predictions in regimes of large non-Gaussianity.
This paper investigates whether the Planck PR4 CMB data's mild preference for dynamical dark energy in the CDM model is partially driven by residual excess smoothing in the anisotropy spectra, finding that while PR4 data reduce the CMB lensing anomaly compared to PR3, the observed evidence for evolving dark energy may still be influenced by these residual smoothing effects.
This paper investigates the disorder-free Sachdev-Ye-Kitaev (SYK) model and finds that, unlike the Fréchet distributions observed in the Lieb-Liniger model, the off-diagonal matrix elements of operators composed of four or more Majorana fermions are well-described by a generalized inverse Gaussian distribution.
This paper proposes using forward-backward multiplicity asymmetry (FBMA) in uranium-uranium collisions as a robust control parameter to effectively disentangle the Chiral Magnetic Effect signal from flow-induced backgrounds by leveraging the correlation between FBMA and initial-state geometry while largely decoupling it from magnetic field correlations.
This paper demonstrates that while a two-step quenched temporal ensemble is insufficient for generating general unitary -designs, a three-step protocol utilizing random evolution times and an additional Hamiltonian quench is sufficient to achieve arbitrary -designs by imposing stronger constraints on the frame potential.
This paper demonstrates that the universality of the shear viscosity to entropy density ratio in Unruh radiation is fundamentally linked to causality, establishes a saturation of the bulk viscosity bound, and derives a novel sum rule for spectral densities that connects thermal isotropy in Rindler space to the validity of Pascal's law.
This study analytically demonstrates that rotating charged de Sitter black holes in Conformal Weyl Gravity exhibit significant suppression of superradiant amplification for both massless and massive conformally coupled scalar fields compared to General Relativity, with the massive sector showing particularly strong exponential suppression in the cosmological region.
This paper establishes that the space of meromorphic connections with irregular singularities corresponding to tt*-Toda equations forms a real symplectic Lie groupoid, a result derived by first proving that the universal centralizer of a Lie group is a holomorphic symplectic groupoid over the Steinberg cross section.
This paper establishes a formal gravity/thermodynamics correspondence by demonstrating that the cuspy features and self-intersection of black hole shadows map to swallowtail behavior in thermodynamic free energy, revealing that these geometric phase transitions belong to the mean-field universality class.
This paper presents a comparative phase space analysis showing that while standard Quintessence models with cosh potentials admit stable late-time accelerating attractors, the light mass Galileon model fails to produce such stable solutions for the considered potentials, suggesting that higher-order Galileon interactions are necessary to explain the observed cosmic acceleration.