Посилання:Universal Low Temperature Asymptotics of the Correlation Functions of the Heisenberg Chain / N. Crampé, F. Göhmann, A. Klümper // Symmetry, Integrability and Geometry: Methods and Applications. — 2010. — Т. 6. — Бібліогр.: 14 назв. — англ.
Підтримка:This paper is a contribution to the Proceedings of the International Workshop “Recent Advances in Quantum Integrable Systems”. The full collection is available at http://www.emis.de/journals/SIGMA/RAQIS2010.html.
The authors are grateful to Jens Damerau for providing his computer program and to Christian Trippe for producing the figure. They wish to express their gratitude to Z. Tsuboi and M. Shiroishi for providing their data. N.C. thanks to the department of physics of Wuppertal University, where this work was initiated, for hospitality.
We calculate the low temperature asymptotics of a function γ that generates
the temperature dependence of all static correlation functions of the isotropic Heisenberg
chain.