4271 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 initiates the S-matrix bootstrap study of two-to-two scattering for two distinct scalar particles in four dimensions, revealing that unequal masses introduce an unbounded pseudo-physical cut which qualitatively alters the bounds on observables until the equal-mass limit is reached or additional information is supplied.
This paper presents the first derivation of analytical leading-order cosmological collider signals from massive scalar triangle loops in inflationary bispectra and trispectra by combining directional cutting rules with partial Mellin-Barnes representations, revealing that these complex loop signals are effectively reproduced by corresponding bubble diagrams with a single pinched coupling.
This paper utilizes the Self-Force Effective Field Theory to analyze high-energy collisions involving gravitational shockwaves, deriving an exact all-orders Post-Minkowskian waveform for massless-massless scattering that demonstrates the vanishing of recoil operators and proves the ultraviolet finiteness of the radiated energy spectrum in the collinear super-Planckian regime.
This paper establishes a general framework for computing partition functions of a two-dimensional theory with dual quantum symmetry in arbitrary non-invertible symmetry backgrounds by relating them to the partition functions of the original theory with non-abelian symmetry , a result validated through examples involving both finite and compact Lie groups.
This paper investigates quantum chaos near a wormhole throat by quantizing the transverse fluctuations of a circular probe string and demonstrating that the resulting out-of-time-ordered correlators exhibit finite-time exponential growth, thereby establishing a non-holographic framework for diagnosing dynamical sensitivity in curved spacetimes.
This paper computes the hyperbolic-plane value of a TMF-valued four-manifold invariant as the Hopf element using Looijenga restriction maps, thereby establishing a complete vanishing formula for smooth closed simply connected spin four-manifolds where nonzero signature forces the invariant to be zero.
This paper presents an improved, finite-sum expression for the partial-wave projection of the one-particle exchange process in relativistic three-body scattering of massive, spinless particles, which accurately reproduces known physical properties while significantly enhancing computational efficiency for constructing robust amplitude analyses.
This paper proposes a Kaniadakis entropy-based holographic dark energy model using the particle horizon as an infrared cutoff, demonstrating that the Kaniadakis deformation alone enables late-time cosmic acceleration in the noninteracting case—a feature absent in standard Einstein gravity—while interactions only slightly shift the transition redshift.
This paper develops an on-shell -matrix framework using soft theorems and the KMOC formalism to derive next-to-leading order low-frequency gravitational waveforms from black hole mergers, demonstrating how quantum logarithmic terms cancel to yield classical drag and acceleration effects while identifying distinct low-frequency signatures for remnant recoil and non-linear memory.
This paper derives fully gauge-independent effective field equations for a massless, minimally coupled scalar on a de Sitter background at the 1-loop order by incorporating universal secular external leg corrections that eliminate the remaining local gauge dependence left after combining specific diagram classes.