Boojums in superfluid He3-A and cholesteric liquid crystals

D. L. Stein, R. D. Pisarski, P. W. Anderson

    Research output: Contribution to journalArticle

    Abstract

    Because of the similarity of their order parameters, there are close analogies between defects of He3-A and cholesteric liquid crystals. In particular, boojums, originally predicted for He3-A, should exist as well in cholesterics. Certain textures experimentally observed and reported in the literature are identified as boojums. A topological analysis is given, and the effects of boojums on dynamical properties of cholesterics are discussed.

    Original languageEnglish (US)
    Pages (from-to)1269-1272
    Number of pages4
    JournalPhysical Review Letters
    Volume40
    Issue number19
    DOIs
    StatePublished - 1978

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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