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Physics Letters A

Localization of a two-level atom via the absorption spectrum

Jun Xu, Xiangming Hu

Published Dec 13, 2006• 12 citations
Publisher
DOI
10.1016/j.physleta.2006.11.083

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We propose a scheme to localize a two-level atom inside a classical standing wave field conditioned upon the measurement of the frequency of a weak probe field at resonance excitation of a two-level atomic system. Inside the classical standing wave field, the interaction between the atom and the field is position-dependent due to the Rabi frequency of the driving field; hence, as the absorption frequency of the probe field is measured, the position of an atom inside the classical standing wave field will be determined. The effects of atomic parameters on atom localization are then discussed.