Abanov, A. G.Wiegmann, P. B.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1835610.17877/DE290R-12502enThe American Physical SocietyPhysical Review Letters530Chiral Nonlinear sigma Models as Models for Topological Superconductivity10.1103/PhysRevLett.86.1319article (journal)