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Proceedings of XXIX International Symposium on Lattice Field Theory — PoS(Lattice 2011)
A generalization of the HAL QCD method for lattice construction of inter-nucleon (NN) potentials is presented. It enables us to construct the NN potentials in the presence of contamination of excited states in the Nambu-Bethe-Salpeter (NBS) wave functions. For this purpose, we derive a "time-dependent" Schrödinger-like equation which describes the time-evolution of normalized four-point nucleon correlators. It makes it possible to construct the NN potentials in a smaller t region withoutdoi:10.22323/1.139.0160 fatcat:pxx3pw3hqjbdtj4pdxz2i2gdzu