Abstract:We report on new attempt to investigate baryon-baryon interactions in lattice QCD. From the Bethe-Salpeter (BS) wave function, we have successfully extracted the nucleon-nucleon (N N ) potentials in quenched QCD simulations, which reproduce qualitative features of modern N N potentials. The method has been extended to obtain the tensor potential as well as the central potential and also applied to the hyperonnucleon (Y N ) interactions, in both quenched and full QCD.
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