Effects of spin-orbit coupling on Jaynes-Cummings and Tavis-Cummings models

Chuanzhou Zhu, Lin Dong, and Han Pu
Phys. Rev. A 94, 053621 – Published 22 November 2016

Abstract

We consider ultracold atoms inside a ring optical cavity that supports a single plane-wave mode. The cavity field, together with an external coherent laser field, drives a two-photon Raman transition between two internal pseudospin states of the atom. This gives rise to an effective coupling between atom's pseudospin and external center-of-mass (COM) motion. For the case of a single atom inside the cavity, We show how the spin-orbit coupling modifies the static and dynamic properties of the Jaynes-Cummings (JC) model. In the case of many atoms in thermodynamic limit, we show that the spin-orbit coupling modifies the Dicke superradiance phase transition boundary and the non-superradiant normal phase may become reentrant in some regimes.

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  • Received 26 September 2016

DOI:https://doi.org/10.1103/PhysRevA.94.053621

©2016 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Chuanzhou Zhu1, Lin Dong1, and Han Pu1,2

  • 1Department of Physics and Astronomy, and Rice Center for Quantum Materials, Rice University, Houston, Texas 77251, USA
  • 2Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071, Peoples's Republic of China

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Issue

Vol. 94, Iss. 5 — November 2016

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