Analyticity properties of the correlation functions for the anisotropic Heisenberg model

Pfister, Charles-Edouard2008-11-272008-11-272008-11-27197510.1007/BF01608752https://infoscience.epfl.ch/handle/20.500.14299/31842Analyticity properties of the correlation functions for the anisotropic Heisenberg modeltext::journal::journal article::research article