UNSPECIFIED (1993) A NEW EXPANSION FOR GENERALIZED GUTZWILLER WAVE-FUNCTIONS - ANTIFERROMAGNETIC CASE. In: 37TH ANNUAL CONF ON MAGNETISM AND MAGNETIC MATERIALS, HOUSTON, TX, DEC 01-04, 1992. Published in: JOURNAL OF APPLIED PHYSICS, 73 (10 Part 2B). pp. 6537-6539.

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Abstract

We propose an alternative approach to the 1/D-type expansions for evaluating properties of generalized Gutzwiller wave functions (GWF's) in low dimensions. Our expansion uses the sum rule and symmetries of the trial wave function explicitly. We apply the scheme to an antiferromagnetic generalization of the GWF for the ID Hubbard model. We find good agreement with known results from variational Monte Carlo calculations and a significant improvement over previous approximations.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QC Physics
Journal or Publication Title:	JOURNAL OF APPLIED PHYSICS
Publisher:	AMER INST PHYSICS
ISSN:	0021-8979
Date:	15 May 1993
Volume:	73
Number:	10 Part 2B
Number of Pages:	3
Page Range:	pp. 6537-6539
Publication Status:	Published
Title of Event:	37TH ANNUAL CONF ON MAGNETISM AND MAGNETIC MATERIALS
Location of Event:	HOUSTON, TX
Date(s) of Event:	DEC 01-04, 1992
URI:	http://wrap.warwick.ac.uk/id/eprint/21317

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