Hadron interactions in lattice QCD
Sinya Aoki (for HAL QCD Collaboration)
TL;DR
This paper reviews the potential method in lattice QCD for studying hadron interactions, detailing its application to various potentials and exploring the origin of the repulsive core through theoretical analysis.
Contribution
It provides a comprehensive review of the potential method in lattice QCD and discusses recent extensions and theoretical insights into hadron interactions.
Findings
Successful extraction of $NN$, hyperon, and meson-baryon potentials
Theoretical understanding of the repulsive core origin
Discussion of recent methodological extensions
Abstract
Progress on the potential method, recently proposed to investigate hadron interactions in lattice QCD, is reviewed. The strategy to extract the potential in lattice QCD is explained in detail. The method is applied to extract potentials, hyperon potentials and the meson-baryon potentials. A theoretical investigation is made to understand the origin of the repulsive core using the operator product expansion. Some recent extensions of the method are also discussed.
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