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Dissipation-induced squeezing
Umeå University, Faculty of Science and Technology, Department of Physics.
2012 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 85, no 2, 023604- p.Article in journal (Refereed) Published
Abstract [en]

We present a method for phase and number squeezing in two-mode Bose systems using dissipation. The effectiveness of this method is demonstrated by considering cold Bose gases trapped in a double-well potential. The extension of our formalism to an optical lattice gives control of the phase boundaries of the steady-state phase diagram, and we discover a phase characterized by a nonzero condensate fraction and thermal-like particle-number statistics. We also show how to perform amplitude squeezing in a single-mode system using dissipation.

Place, publisher, year, edition, pages
American Physical Society , 2012. Vol. 85, no 2, 023604- p.
National Category
Physical Sciences
URN: urn:nbn:se:umu:diva-52845DOI: 10.1103/PhysRevA.85.023604ISI: 000300081100010OAI: diva2:507817
Available from: 2012-03-06 Created: 2012-03-05 Last updated: 2012-03-06Bibliographically approved

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Mäkelä, Harri
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