Quantum optics meets quantum many-body theory: Coupled cluster studies of the Rabi Hamiltonian

NJ Davidson, RM Quick, RF Bishop, DM van der Walt

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    Abstract

    The Rabi Hamiltonian, which describes the interaction of a single mode of electromagnetic radiation with a two-level system, is one of the fundamental models of quantum optics. It is also of wider interest as it provides a. generic model for the interaction of bosons and fermions. To allow for a systematic analysis of the strong-coupling behaviour, we have applied the coupled cluster method (CCM) to the Rabi Hamiltonian to calculate its spectrum. We find strong evidence for the existence of a somewhat subtle quantum phase transition.
    Original languageEnglish
    Title of host publicationRecent Progress in Many-Body Theories
    Subtitle of host publicationProceedings of the 9th International Conference, Sydney, Australia, 21-25 July 1997
    EditorsD Neilson, RF Bishop
    Place of PublicationSingapore
    PublisherWorld Scientific Publishing Co. Pte. Ltd
    Pages163-166
    Number of pages4
    ISBN (Print)9810233698
    Publication statusPublished - 1998

    Publication series

    NameSeries on Advances in Quantum Many-Body Theory
    Volume1

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