Dynamic control and probing of many-body decoherence in double-well Bose-Einstein condensates

Nir Bar-Gill; Gershon Kurizki; Markus Oberthaler; Nir Davidson

doi:10.1103/PhysRevA.80.053613

Dynamic control and probing of many-body decoherence in double-well Bose-Einstein condensates

Nir Bar-Gill^*
, Gershon Kurizki
, Markus Oberthaler
, Nir Davidson

^*Corresponding author for this work

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

23 Scopus citations

Abstract

We present an approach to dynamic decoherence control of finite-temperature Bose-Einstein condensates in a double-well potential. Due to the many-body interactions the standard "echo" control method becomes less effective. The approach described here takes advantage of the interaction-induced change of the spectrum, to obtain the optimal rate of π flips of the relative phase between maximally distinguishable collective states. This method is particularly useful for probing and diagnosing the decoherence dynamics.

Original language	English
Article number	053613
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	80
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevA.80.053613
State	Published - 16 Nov 2009
Externally published	Yes

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10.1103/PhysRevA.80.053613

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AB - We present an approach to dynamic decoherence control of finite-temperature Bose-Einstein condensates in a double-well potential. Due to the many-body interactions the standard "echo" control method becomes less effective. The approach described here takes advantage of the interaction-induced change of the spectrum, to obtain the optimal rate of π flips of the relative phase between maximally distinguishable collective states. This method is particularly useful for probing and diagnosing the decoherence dynamics.

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Dynamic control and probing of many-body decoherence in double-well Bose-Einstein condensates

Abstract

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