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Chapter II. The ATMS Method and the Three-Nucleon System with Realistic Potentials
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1974
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Chapter IiEngineeringNuclear PhysicsMany-body Quantum PhysicComputational ChemistryMany-body ProblemExotic StateNucleationPhysicsRealistic PotentialsAtomic PhysicsWeak InteractionNon-perturbative QcdQuantum ChemistryCondensed Matter TheoryAb-initio MethodAtms MethodTensor ForceNatural SciencesApplied PhysicsHigh Energy Theory
The ATMS method, which is a variational one, is explained. The wave function is constructed from the two-body scattering correlations on the basis of the multiple scattering theory. The triton is treated with the Hamada-Johnston (H-J), the Tamagaki (OPEH and OPEG) and Wada and Obinata's (OBEV) potentials. The upper-bound energies are −6.00 MeV for H-J, −6.59 MeV for OPEH, −6.64 MeV for OPEG and −5.91 MeV for OBEV. The kinetic energies are 66 MeV for H-J and 33 MeV for OBEV. The tensor force in the triplet-even state has the largest contribution which amounts to −38 MeV for H-J. The Coulomb energy of 3He is estimated. The two-body wave function is drawn out from the wave function of the triton. The ATMS method is powerful in solving the three-nucleon problem with realistic potentials.