Simplified derivation of the Bethe-ansatz equations for the Dicke model

Oleksandr Tsyplyatyev, Jan von Delft, and Daniel Loss
Phys. Rev. B 82, 092203 – Published 21 September 2010
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    Abstract

    We present an elementary derivation of the exact solution (Bethe-ansatz equations) of the Dicke model, using only commutation relations and an informed ansatz for the structure of its eigenstates.

    • Received 6 August 2010

    DOI:https://doi.org/10.1103/PhysRevB.82.092203

    ©2010 American Physical Society

    Authors & Affiliations

    Oleksandr Tsyplyatyev1, Jan von Delft2, and Daniel Loss1

    • 1Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland
    • 2Arnold Sommerfeld Center and Center for Nano-Science, Ludwig-Maximilians-University, Theresienstr. 37, Munich D-80333, Germany

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    Vol. 82, Iss. 9 — 1 September 2010

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