EXACT RESULTS IN STRONGLY CORRELATED ELECTRONS — SPIN-REFLECTION POSITIVITY AND THE PERRON-FROBENIUS THEOREM-Reference-Cited by-同舟云学术

EXACT RESULTS IN STRONGLY CORRELATED ELECTRONS — SPIN-REFLECTION POSITIVITY AND THE PERRON-FROBENIUS THEOREM

Published:1996-11-15 Issue:25 Volume:10 Page:3383-3450
ISSN:0217-9792
Container-title:International Journal of Modern Physics B
language:en
Short-container-title:Int. J. Mod. Phys. B

Author:

YANAGISAWA TAKASHI¹,SHIMOI YUKIHIRO¹

Affiliation:

1. Physical Science Division, Electrotechnical Laboratory 1-1-4 Umezono, Tsukuba, Ibaraki 305, Japan

Abstract

This article is devoted to discuss two exact arguments in strongly-correlated electron systems: one is the method of reflection positivity in the spin space and the other is the Perron-Frobenius theorem in matrix theory. For several specific systems, we can show that the ground state is unique and we can predict the total spin of the ground state.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217979296001835

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