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A Quantum Tweezer for Atoms | | Roberto B. Diener
; Biao Wu
; Mark G. Raizen
; Qian Niu
; | | Date: |
10 Dec 2001 | | Journal: | Phys. Rev. Lett. 89 (2002) 070401 | | Subject: | Soft Condensed Matter; Atomic Physics | cond-mat.soft physics.atom-ph | | Abstract: | We propose a quantum tweezer for extracting a desired number of neutral atoms from a reservoir. A trapped Bose-Einstein condensate (BEC) is used as the reservoir, taking advantage of its coherent nature, which can guarantee a constant outcome. The tweezer is an attractive quantum dot, which may be generated by red-detuned laser light. By moving with certain speeds, the dot can extract a desired number of atoms from the BEC through Landau-Zener tunneling. The feasibility of our quantum tweezer is demonstrated through realistic and extensive model calculations. | | Source: | arXiv, cond-mat/0201159 | | Services: | Forum | Review | PDF | Favorites | |
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