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The `topological' charge for the finite XX quantum chain
Bilstein, Ulrich, Rittenberg, VladimirVolume:
33
Language:
english
Journal:
Journal of Physics A: Mathematical and General
DOI:
10.1088/0305-4470/33/42/101
Date:
October, 2000
File:
PDF, 71 KB
english, 2000