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Characteristics of the consistent ground state of the random phase approximation
Author(s) -
Öhrn Yngve,
Linderberg Jan
Publication year - 1979
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.560150308
Subject(s) - ground state , random phase approximation , unitary state , representation (politics) , statistical physics , state (computer science) , phase (matter) , generator (circuit theory) , space (punctuation) , phase space , state space , physics , mathematics , quantum mechanics , computer science , algorithm , statistics , power (physics) , politics , political science , law , operating system
Detailed considerations of the ground‐state vector derived for the random phase approximation obtained earlier in a generator coordinate representation employing the unitary group parameter space reveal a particular correlated pair structure. The results of explicit calculations of ground‐state averages are discussed.