Remarks on the Nonorthogonality Problem

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概要

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• It is shown that the linked cluster expansion in the Heitler-London method obtained previously results from rigorous algebraic identities and is formally valid regardless of the size of the system or of the values of the overlap integrals involved. However, the value of the power series thus obtained is not necessarily finite and this introduces a limitation to the validity of this particular series. The reason for this restriction as well as a method of extending the expansion beyond the bound is discussed. Further analysis of the problem reveals that the methods of Yonezawa and Mullin are valid asymptotically in the limit of large volume, but applicable only within the same stringent condition that limits the validity of our original power expansion.

• 理論物理学刊行会の論文
• 1966-09-25

著者

• Arai Tadashi

  Argonne National Laboratory

• Arai T.

  Argonne National Laboratory

関連論文

• Remarks on the Nonorthogonality Problem

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