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cond-mat.supr-con2004★ 328 cited
Superconductors are topologically ordered
T. H. Hansson, Vadim Oganesyan, S. L. Sondhi
We revisit a venerable question: what is the nature of the ordering in a superconductor? We find that the answer is properly that the superconducting state exhibits topological ord…
cond-mat.str-el2004★ 102 cited
Formation of Electronic Nematic Phase in Interacting Systems
Igor Khavkine, Chung-Hou Chung, Vadim Oganesyan +1
We study the formation of an electronic nematic phase characterized by a broken point-group symmetry in interacting fermion systems within the weak coupling theory. As a function o…