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27 January 2021
 
  » arxiv » cond-mat/0311256

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One-particle irreducible density matrix for the spin disordered infinite $U$ Hubbard chain
Vadim V. Cheianov ; M.B. Zvonarev ;
Date 12 Nov 2003
Subject Strongly Correlated Electrons | cond-mat.str-el
AbstractIn this Letter we present a calculation of the one-particle irreducible density matrix $ ho(x)$ for the one-dimensional (1D) Hubbard model in the infinite $U$ limit. We consider the zero temperature spin disordered regime, which is obtained by first taking the limit $U o infty$ and then the limit $T o 0.$ Using the determinant representation for $ ho(x)$ we derive analytical expressions for both large and small $x$ at an arbitrary filling factor $0
Source arXiv, cond-mat/0311256
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