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Out of equilibrium correlations in the XY chain

Mathematical Physics 2009-11-11 v2 math.MP

Abstract

We study the transversal XY spin-spin correlations in the non-equilibrium steady state constructed in \cite{AP03} and prove their spatial exponential decay close to equilibrium.

Keywords

Cite

@article{arxiv.math-ph/0505062,
  title  = {Out of equilibrium correlations in the XY chain},
  author = {Walter H. Aschbacher and Jean-Marie Barbaroux},
  journal= {arXiv preprint arXiv:math-ph/0505062},
  year   = {2009}
}