| Issue |
EPL
Volume 100, Number 3, November 2012
|
|
|---|---|---|
| Article Number | 30007 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/100/30007 | |
| Published online | 14 November 2012 | |
Dissipation-induced macroscopic entanglement in an open optical lattice
1 Institut für theoretische Physik and Center for Quantum Dynamics, Universität Heidelberg Heidelberg, Germany, EU
2 University of Athens, Physics Department, Panepistimiopolis - Ilissia 15771 Athens, Greece, EU
3 Max Planck Institute for Dynamics and Self-Organization (MPI DS) - D-30737 Göttingen, Germany, EU
Received: 11 July 2012
Accepted: 12 October 2012
We introduce a method for the dissipative preparation of strongly correlated quantum states of ultracold atoms in an optical lattice via localized particle loss. The interplay of dissipation and interactions enables different types of dynamics. This ushers in a new line of experimental methods to maintain the coherence of a Bose-Einstein condensate or to deterministically generate macroscopically entangled quantum states.
PACS: 03.75.Gg – Entanglement and decoherence in Bose-Einstein condensates / 03.65.Yz – Decoherence; open systems; quantum statistical methods / 03.75.Lm – Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations
© EPLA, 2012
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