The dynamics of a system, consisting of a particle initially in a Gaussian state interacting with a field mode, under the action of repeated measurements performed on the particle, is examined. It is shown that regardless of its initial state the field is distilled into a squeezed state. The dependence on the physical parameters of the dynamics is investigated.
Bellomo, B., Compagno, G., Nakazato, H., Yuasa, K. (2009). Extraction of a squeezed state in a field mode via repeated measurements on an auxiliary quantum particle. PHYSICAL REVIEW A, 80, 052113-1-052113-7 [10.1103/PhysRevA.80.052113].
Extraction of a squeezed state in a field mode via repeated measurements on an auxiliary quantum particle
BELLOMO, Bruno;COMPAGNO, Giuseppe;
2009-01-01
Abstract
The dynamics of a system, consisting of a particle initially in a Gaussian state interacting with a field mode, under the action of repeated measurements performed on the particle, is examined. It is shown that regardless of its initial state the field is distilled into a squeezed state. The dependence on the physical parameters of the dynamics is investigated.
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