QND measurements and state preparation in quantum gases by light detection release_gsaqqw7lnvcljk2drm3vey4blm

by Igor B. Mekhov, Helmut Ritsch

Released as a article .

2008  

Abstract

We consider light scattering from ultracold atoms trapped in an optical lattice into a cavity. The measurement of photons leaking out the cavity provides a quantum nondemolition (QND) access to various atomic variables. Depending on the chosen geometry the time resolved light detection projects the atomic quantum state to various atom-number squeezed and Schroedinger cat states. Modifications of the atomic and light properties at a single quantum trajectory are demonstrated. The quantum structure of final states can be revealed by further observations of the same sample.
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Type  article
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Date   2008-05-09
Version   v1
Language   en ?
arXiv  0805.1402v1
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