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Otterbach J, Lemeshko M. Dissipative preparation of spatial order in Rydberg-dressed Bose-Einstein condensates. Phys Rev Lett. 2014;113(7):070401doi: 10.1103/PhysRevLett.113.070401.
Otterbach, J., & Lemeshko, M. (2014). Dissipative preparation of spatial order in Rydberg-dressed Bose-Einstein condensates. Physical review letters, 113(7), 070401. https://doi.org/10.1103/PhysRevLett.113.070401
Otterbach, Johannes, and Lemeshko, Mikhail. "Dissipative preparation of spatial order in Rydberg-dressed Bose-Einstein condensates." Physical review letters vol. 113,7 (2014): 070401. doi: https://doi.org/10.1103/PhysRevLett.113.070401
Otterbach J, Lemeshko M. Dissipative preparation of spatial order in Rydberg-dressed Bose-Einstein condensates. Phys Rev Lett. 2014 Aug 15;113(7):070401. doi: 10.1103/PhysRevLett.113.070401. Epub 2014 Aug 11. PMID: 25170691.
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Phys Rev Lett. 2014 Aug 15;113(7):070401. doi: 10.1103/PhysRevLett.113.070401. Epub 2014 Aug 11.

Dissipative preparation of spatial order in Rydberg-dressed Bose-Einstein condensates.

Physical review letters

Johannes Otterbach, Mikhail Lemeshko

Affiliations

  1. Physics Department, Harvard University, 17 Oxford Street, Cambridge, Massachusetts 02138, USA.
  2. Physics Department, Harvard University, 17 Oxford Street, Cambridge, Massachusetts 02138, USA and ITAMP, Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138, USA.

PMID: 25170691 DOI: 10.1103/PhysRevLett.113.070401

Abstract

We propose a technique for engineering momentum-dependent dissipation in Bose-Einstein condensates with nonlocal interactions. The scheme relies on the use of momentum-dependent dark states in close analogy to velocity-selective coherent population trapping. During the short-time dissipative dynamics, the system is driven into a particular finite-momentum phonon mode, which in real space corresponds to an ordered structure with nonlocal density-density correlations. Dissipation-induced ordering can be observed and studied in present-day experiments using cold atoms with dipole-dipole or off-resonant Rydberg interactions. Because of its dissipative nature, the ordering does not require artificial breaking of translational symmetry by an optical lattice or harmonic trap. This opens up a perspective of direct cooling of quantum gases into strongly interacting phases.

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