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27 January 2021
 
  » arxiv » cond-mat/0310499

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Zero temperature correlation functions for the impenetrable fermion gas
Vadim V Cheianov ; M B Zvonarev ;
Date 21 Oct 2003
Journal J. Phys. A: Math. Gen. vol. 37 (2004) 2261-2297
Subject Strongly Correlated Electrons; Statistical Mechanics; Mathematical Physics | cond-mat.str-el cond-mat.stat-mech math-ph math.MP
AbstractWe calculate the long time and distance asymptotics of the one-particle correlation functions in the model of impenetrable spin 1/2 fermions in 1+1 dimensions. We consider the spin disordered zero temperature regime, which occurs when the limit $T o0$ is taken at a positive chemical potential. The asymptotic expressions are found from the asymptotic solution of the matrix Riemann-Hilbert problem related to the determinant representation of the correlation functions.
Source arXiv, cond-mat/0310499
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