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tJ -model in terms of equations with variational derivatives

tJ -model in terms of equations with variational derivatives

For a tJ -model in the X -operators representation a generating functional of the field describing fluctuations of matrix elements of electron hopping on a lattice is presented. The first order functional derivative with respect to this field determines the electron Green function, while the seco...

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Bibliographic Details
Main Authors: Izyumov, Yu.A., Chashchin, N.I.
Format: Article
Language:English
Published: Інститут фізики конденсованих систем НАН України 1998
Series:Condensed Matter Physics
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/118631
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http://dspace.nbuv.gov.ua/handle/123456789/118631

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