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G von Gehlen1, V Rittenberg1 and H Ruegg1
Published under licence by IOP Publishing Ltd
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Citation G von Gehlen et al 1986 J. Phys. A: Math. Gen. 19 107
DOI 10.1088/0305-4470/19/1/014
275 Total downloads
Based on previous work of Cardy (1984), the authors show in a systematic way how using conformal invariance one can determine the anomalous dimensions of various operators from finite quantum chains with different boundary conditions. The method is illustrated in the case of the three- and four-state Potts models where the anomalous dimensions of the para-fermionic operators are found.