Treatment of Pauli Exclusion Operator in G-Matrix Calculations for Hypernuclei

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概要

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• We discuss a matrix-inversion method for treating the Pauli exclusion operator Q in the hyperon-nucleon G-matrix equation for hypernuclei such as ^<16>_<Λ>O. A model space consisted of shell-model wave functions is employed. We discuss that it is preferable to employ a free-particle spectrum for the intermediate states of the G matrix. This leads to the difficulty that the G-matrix intermediate states are plane waves and on this representation the Pauli operator Q has a rather complicated structure. A matrix-inversion method for overcoming this difficulty is examined. To implement this method it is necessary to employ a so-called n_<3Λ> truncation approximation. Numerical calculations using the Julich B^^~ and A^^~ potentials have been performed to study the accuracy of this approximation.

• 理論物理学刊行会の論文
• 1995-03-31

著者

• KUO T.T.S.

  Department of Physics, State University of New York at Stony Brook

• Hao Jifa

  ニューヨーク州立大

• Hao Jifa

  Department Of Physics State University Of New York At Stony Brook

• Kuo T.

  Department Of Physics State University Of New York At Stony Brook : Institute Of Physics Academia Si

• Kuo T.

  Department Of Mechanical Engineering Southern Taiwan University

• KUO T.

  Department of Physics, State University of New York at Stony Brook : Institute of Physics, Academia Sinica

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