期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
卷 17, 期 28, 页码 5311-5325出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217979203020442
关键词
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The origins of the coupled cluster method are described. Special attention is paid to the arguments put forward for the exponential structure of the wave functions. Various approximation schemes invented during the last 40 years are presented. The problems arising from these approximations necessarily truncating or destroying the exponential form are discussed and ways to deal with them are described.
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