Green's Function Theory of thet-JModel
β
Zhe Chang
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Article
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1999
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Elsevier Science
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English
β 310 KB
Within the framework of the supergroup theory and by making use of the general Holstein Primakoff transformation, we set up an infinite hierarchy of equations of motion in the Green's functions for the t-J model. A physical criterion involving self-consistency of the decoupling is presented. A Green