Universal low temperature asymptotics of the correlation functions of the Heisenberg chain

Nicolas Crampé (1) , Frank Göhmann (2) , Andreas Klümper (2)

1 LPTA - Laboratoire de Physique Théorique et Astroparticules
2 University of Wuppertal

We calculate the low temperature asymptotics of a function $\gamma$ that generates the temperature dependence of all static correlation functions of the isotropic Heisenberg chain.

Mots clés: correlation functions; quantum spin chains; thermodynamic Bethe ansatz

Domaines: Electrons fortement corrélés [cond-mat.str-el]; Physique des Hautes Energies - Théorie [hep-th]

Nicolas Crampé, Frank Göhmann, Andreas Klümper. Universal low temperature asymptotics of the correlation functions of the Heisenberg chain. Symmetry, Integrability and Geometry : Methods and Applications, 2010, 6, pp.082. ⟨10.3842/SIGMA.2010.082⟩. ⟨hal-00510824⟩