2913 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 Gel'fand-Yaglom theorem and the Green's function method are completely equivalent for computing ratios of functional determinants of one-dimensional operators through a contour integral argument, while also providing a natural prescription for handling vanishing and negative eigenvalues.
This paper proposes a cosmological collider model where a standard inflaton interacts with ghost condensate spectator fields, leveraging their modified dispersion relation to weaken Boltzmann suppression and enhance primordial non-Gaussianity while remaining consistent with observational constraints.
This paper proposes a simple two-field inflation mechanism where a sharp transition between distinct energy scales induces rapid field turns that amplify fluctuations, potentially generating primordial black holes and secondary gravitational waves through a peak in the scalar power spectrum.
This paper establishes a canonical link between quantum random walks on graphs and Krylov complexity to analytically compute Lanczos coefficients for the SYK model and characterize hypercube complexity, revealing that while Krylov complexity mimics black hole growth patterns, it saturates faster than circuit complexity due to quantum speed-ups.
Using lattice QCD simulations with improved actions, the study demonstrates that localized low-lying Dirac eigenmodes emerge at a temperature of 150–160 MeV, placing the onset of this localization phenomenon firmly within the chiral crossover region.
This paper proposes that rotating synchrotron radiation (RoSyRa) from a magnetized, rotating quark-gluon plasma generates a low-transverse-momentum photon spectrum with significant elliptic flow, offering a viable solution to the "direct photon puzzle."
This paper establishes a unified geometric framework for the quantum-to-classical transition in the early universe by demonstrating that constraints on primordial perturbations, particularly the avoidance of gravitational non-linearities, definitively rule out decohered thermal states and limit amplitude-diagonal decoherence models to fewer than 70 e-folds of inflation.
This paper demonstrates that Wilson lines in sufficiently rich representations of SYM support a new class of dimension-one operator insertions whose associated deformations are marginally relevant, a finding confirmed by a weak-coupling computation of their four-point function.
This paper demonstrates that while eternal inflation involves rare stochastic upward fluctuations of the inflaton, the resulting gravitational backreaction invalidates the background spacetime assumption long before the Smeared Null Energy Condition (SNEC) can be violated, thereby confirming that standard stochastic diffusion does not inherently breach this energy bound within the semiclassical slow-roll regime.
This paper proposes a new mechanism for the annihilation of cosmologically problematic domain walls attached to cosmic strings in global symmetry models, demonstrating that radiative corrections from small bare fermion masses can generate a temperature-dependent bias that triggers the network's decay, using a majoron framework with right-handed neutrinos as a representative example.