Chiral spin states and superconductivity

X. G. Wen, Frank Wilczek, A. Zee

Research output: Contribution to journalArticlepeer-review

966 Scopus citations


It is shown that several different order parameters can be used to characterize a type of P- and T-violating state for spin systems, that we call chiral-spin states. There is a closely related, precise notion of chiral-spin-liquid states. We construct soluble models, based on P- and T-symmetric local-spin Hamiltonians, with chiral-spin ground states. Mean-field theories leading to chiral spin liquids are proposed. Frustration is essential in stabilizing these states. The quantum numbers of quasiparticles around the chiral spin liquids are analyzed. They generally obey fractional statistics. Based on these ideas, it is speculated that superconducting states with unusual values of the flux quantum may exist.

Original languageEnglish (US)
Pages (from-to)11413-11423
Number of pages11
JournalPhysical Review B
Issue number16
StatePublished - 1989
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics


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