Dynamical Control of Order in a Cavity-BEC System

Jayson G. Cosme, Christoph Georges, Andreas Hemmerich, and Ludwig Mathey
Phys. Rev. Lett. 121, 153001 – Published 11 October 2018
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Abstract

We demonstrate dynamical control of the superradiant transition of cavity-BEC system via periodic driving of the pump laser. We show that the dominant density wave order of the superradiant state can be suppressed, and that the subdominant competing order of Bose-Einstein condensation emerges in the steady state. Furthermore, we show that additional, nonequilibrium density wave orders, which do not exist in equilibrium, can be stabilized dynamically. Finally, for strong driving, chaotic dynamics emerge.

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  • Received 26 June 2018

DOI:https://doi.org/10.1103/PhysRevLett.121.153001

© 2018 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalCondensed Matter, Materials & Applied Physics

Authors & Affiliations

Jayson G. Cosme1,2,3, Christoph Georges1,2, Andreas Hemmerich1,2,3, and Ludwig Mathey1,2,3

  • 1Zentrum für Optische Quantentechnologien, Universität Hamburg, 22761 Hamburg, Germany
  • 2Institut für Laserphysik, Universität Hamburg, 22761 Hamburg, Germany
  • 3The Hamburg Center for Ultrafast Imaging, Luruper Chaussee 149, Hamburg 22761, Germany

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Issue

Vol. 121, Iss. 15 — 12 October 2018

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