Heavy baryons with relativistic quarks
This paper presents the first lattice QCD study of ground-state spin- heavy baryons containing charm and bottom quarks using fully relativistic valence quarks on physical HISQ ensembles.
⚛️ Category
hep-lat
450 papers
Hep-Lat, short for High Energy Physics – Lattice, explores the fundamental forces of nature by simulating particle interactions on a digital grid. Instead of relying solely on abstract equations, researchers in this field use powerful computers to model how quarks and gluons bind together, offering deep insights into the structure of matter that are often impossible to derive analytically.
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Below are the latest papers in High Energy Physics – Lattice, curated directly from arXiv and ready for you to explore.
Charged kaon electric polarizability from four-point functions in lattice QCD
This paper presents a proof-of-principle lattice QCD calculation of the charged kaon's electric polarizability using a four-point function approach on Wilson quenched lattices, yielding a value of and demonstrating the framework's applicability to strange mesons for future precision studies.
Finite density lattice QCD without extrapolation: Bulk thermodynamics with physical quark masses from the canonical ensemble
This paper presents the first lattice QCD results for bulk thermodynamics at finite baryon density with physical quark masses using a canonical ensemble approach that avoids extrapolation and the sign problem up to MeV.
Search for the QCD Critical Point in High Energy Nuclear Collisions: A Status Report
This paper reviews recent STAR experiment results on net-proton multiplicity fluctuations from RHIC BES-II collisions to search for the QCD critical point by comparing fourth-order cumulant and factorial cumulant ratios with non-critical theoretical models while addressing initial volume fluctuations and outlining future research directions.
On the effective restoration of symmetry at finite temperature
Using anisotropic lattice QCD ensembles with Wilson-clover fermions, the study finds evidence for the effective restoration of symmetry at a temperature of MeV, which is significantly higher than the chiral crossover temperature.
High-precision lattice determination of the interaction potential of an SU(2) solitonic dipole and comparison with perturbative QED
This paper presents high-precision lattice simulations of an SU(2) solitonic dipole in a singlet state, demonstrating that its interaction potential quantitatively reproduces the classical Coulomb law at large distances while exhibiting short-distance deviations consistent with perturbative QED and the running of the fine-structure constant.
Correctness criteria for complex Langevin
This paper systematically compares the applicability, ease of use, and predictive power of prominent diagnostic tools for assessing the correctness of complex Langevin simulations by applying them to four simple but nontrivial models.
Deciphering the nature of pentaquarks in the light of their electromagnetic multipole moments
This paper utilizes QCD light-cone sum rules to calculate the electromagnetic multipole moments of -type strange hidden-charm pentaquarks, revealing distinct magnetic dipole, electric quadrupole, and magnetic octupole signatures that depend on diquark structure and provide key discriminants to differentiate between compact pentaquark and molecular interpretations.
Open-flavor threshold effects on quarkonium spectrum in the BOEFT
This paper utilizes Born-Oppenheimer effective field theory (BOEFT) to systematically quantify open-flavor threshold effects on the quarkonium spectrum by solving coupled Schrödinger equations with lattice-constrained static potentials, successfully reproducing experimental data and providing a field-theoretical interpretation of the phenomenological model's pair-creation constant.
Hilbert Space Fragmentation from Generalized Symmetries
This paper demonstrates that generalized symmetries, including higher-form, subsystem, gauge, and non-invertible symmetries, can induce exponential Hilbert space fragmentation, thereby challenging the assumption that such fragmentation necessarily implies ergodicity breaking and revealing its role in disorder-free localization.