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Application of the two‐body density matrix of the ground state for calculations of some excited states
Author(s) -
Rosina M.
Publication year - 1978
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.560130606
Subject(s) - excited state , ground state , density matrix , atomic physics , matrix (chemical analysis) , state (computer science) , particle (ecology) , physics , chemistry , quantum mechanics , mathematics , geology , algorithm , oceanography , chromatography , quantum
Abstract It is pointed out that the density matrices of the ground state contain valuable information concerning the calculation of particle‐hole excited states. As an illustration, results on the nuclei 16 O, 20 Ne, and 28 Si are presented, using small model spaces.