Control of a Bose-Einstein condensate by dissipation: Nonlinear Zeno effect
Journal Article
·
· Physical Review. A
- Centro de Ciencias Naturais e Humanas, Universidade Federal do ABC, Santo Andre, SP 09210-170 (Brazil)
- Centro de Fisica Teorica e Computacional, Universidade de Lisboa, Avenida Professor Gama Pinto 2, Lisboa P-1649-003, Portugal and Departamento de Fisica, Faculdade de Ciencias, Universidade de Lisboa, Campo Grande, Ed. C8, Piso 6, Lisboa P-1749-016 (Portugal)
We show that controlled dissipation can be used as a tool for exploring fundamental phenomena and managing mesoscopic systems of cold atoms and Bose-Einstein condensates. Even the simplest boson-Josephson junction, that is, a Bose-Einstein condensate in a double-well trap, subjected to removal of atoms from one of the two potential minima allows one to observe such phenomena as the suppression of losses and the nonlinear Zeno effect. In such a system the controlled dissipation can be used to create desired macroscopic states and implement controlled switching among different quantum regimes.
- OSTI ID:
- 21408869
- Journal Information:
- Physical Review. A, Vol. 81, Issue 5; Other Information: DOI: 10.1103/PhysRevA.81.053611; (c) 2010 The American Physical Society; ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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