Fractional monodromy in systems with coupled angular momenta

Mikael Sonne Hansen, F. Faure, B.I. Zhilinskii

    Research output: Contribution to journalJournal articleResearchpeer-review


    We present a one-parameter family of systems with fractional monodromy, which arises from a 1:2 diagonal action of a dynamical symmetry SO(2). In a regime of adiabatic separation of slow and fast motions, we relate the presence of fractional monodromy to a redistribution of states both in the quantum and in the semi-quantum spectra.
    Original languageEnglish
    JournalJournal of Physics A-mathematical and Theoretical
    Issue number43
    Pages (from-to)13075-13089
    Publication statusPublished - 2007

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