Quantum particle localization by frequent coherent monitoring

Goren Gordon; Igor E. Mazets; Gershon Kurizki

doi:10.1103/PhysRevA.87.052141

Quantum particle localization by frequent coherent monitoring

Goren Gordon^*, Igor E. Mazets, Gershon Kurizki

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

We present an approach to monitoring and controlling a free quantum particle by coupling an internal (discrete) state of the particle to a detector (or probe). We consider a sequence of time-dependent, spatially localized interactions of the particle with the probe that are purely coherent (nondissipative), without mean energy-momentum exchange. We show that a sequence of such force-free interactions can freeze or deflect the particle.

Original language	English
Article number	052141
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	87
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevA.87.052141
State	Published - 31 May 2013
Externally published	Yes

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10.1103/PhysRevA.87.052141

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title = "Quantum particle localization by frequent coherent monitoring",

abstract = "We present an approach to monitoring and controlling a free quantum particle by coupling an internal (discrete) state of the particle to a detector (or probe). We consider a sequence of time-dependent, spatially localized interactions of the particle with the probe that are purely coherent (nondissipative), without mean energy-momentum exchange. We show that a sequence of such force-free interactions can freeze or deflect the particle.",

author = "Goren Gordon and Mazets, {Igor E.} and Gershon Kurizki",

year = "2013",

month = may,

day = "31",

doi = "10.1103/PhysRevA.87.052141",

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journal = "Physical Review A",

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publisher = "American Physical Society",

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AB - We present an approach to monitoring and controlling a free quantum particle by coupling an internal (discrete) state of the particle to a detector (or probe). We consider a sequence of time-dependent, spatially localized interactions of the particle with the probe that are purely coherent (nondissipative), without mean energy-momentum exchange. We show that a sequence of such force-free interactions can freeze or deflect the particle.

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VL - 87

JO - Physical Review A

JF - Physical Review A

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Quantum particle localization by frequent coherent monitoring

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