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APS » Journals » Phys. Rev. A » Volume 67 » Issue 6
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Phys. Rev. A 67, 060102(R) (2003) [4 pages]

Decoherence from chaotic internal dynamics in two coupled δ-function-kicked rotors

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Hwa-Kyun Park1,2,* and Sang Wook Kim1
1Max-Planck-Institut für Physik komplexer Systeme, Nöthnitzer Strasse 38, D-01187 Dresden, Germany
2Korea Institute for Advanced Study, 207-43 Cheongryangri-dong, Dongdaemun-gu, Seoul 130-722, Korea

Received 5 August 2002; published 26 June 2003

We show that classical-quantum correspondence of center-of-mass motion in two coupled δ-kicked rotors is enhanced by the entanglement of the center of-mass motion to the internal degree of freedom. The observed correspondence can be attributed to the decoherence generated from chaotic internal dynamics with a few degrees of freedom.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.060102
DOI:
10.1103/PhysRevA.67.060102
PACS:
03.65.Yz, 05.45.Mt, 03.65.Sq

*FAX: +82-2-958-3842. Email address: hkpark@ns.kias.re.kr

 
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