Correlation functions of the <em>XXZ</em> Heisenberg spin chain: Bethe ansatz approach

  • Jean Michel Maillet

    École Normale Supérieure de Lyon, France
Correlation functions of the <em>XXZ</em> Heisenberg spin chain: Bethe ansatz approach cover

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Abstract

We review recent progress in the computation of correlation functions of the XXZ spin-1/2 chain. We describe both finite and infinite chain results. Long distance asymptotic behavior is discussed. Our method is based on the resolution of the quantum inverse scattering problem in the framework of the algebraic Bethe ansatz.