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Suppression of decoherence in a wave packet via nonlinear resonance.

Abstract:
We propose a simple approach for suppressing decoherence of a wave packet excited in an anharmonic oscillator. We show that when a resonant external field forces the oscillator to follow the driving force, motion around the resonant trajectory inside a stable resonant island can be made almost completely immune to the environment. As an example, we study suppression of decoherence due to coupling to thermally populated rotations in vibrational wave packets in a Na2 molecule.
Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
Journal:
Physical Review Letters More from this journal
Volume:
98
Issue:
5
Pages:
050501
Publication date:
2007-02-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Pubs id:
pubs:1963
UUID:
uuid:a93d00d3-5cd6-4de7-8771-3d581871ebc9
Local pid:
pubs:1963
Source identifiers:
1963
Deposit date:
2012-12-19

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