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ANALYTIC CALCULATION OF GROUND-STATE PROPERTIES OF THE ONE-DIMENSIONAL T-J MODEL WITH A MODIFIED GUTZWILLER WAVE-FUNCTION
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UNSPECIFIED (1992) ANALYTIC CALCULATION OF GROUND-STATE PROPERTIES OF THE ONE-DIMENSIONAL T-J MODEL WITH A MODIFIED GUTZWILLER WAVE-FUNCTION. PHYSICAL REVIEW B, 45 (22). pp. 13068-13071.
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Abstract
An effective Hamiltonian equivalent to the t-J model is derived. We calculate analytically the ground-state energy and correlation functions for a modified Gutzwiller wave function using the technique developed by Metzner, Vollhardt, and Gebhard. We obtain results that are significantly better than those for the usual Gutzwiller wave function, and that are close to the exact results in some cases.
Item Type: | Journal Item | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICAL REVIEW B | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 0163-1829 | ||||
Official Date: | 1 June 1992 | ||||
Dates: |
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Volume: | 45 | ||||
Number: | 22 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 13068-13071 | ||||
Publication Status: | Published |
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