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  Measuring irreversible dynamics of a quantum harmonic oscillator

Morigi, G., Solano, E., Englert, B.-G., & Walther, H. (2002). Measuring irreversible dynamics of a quantum harmonic oscillator. Physical Review A, 65(4): 040102. 040102. Retrieved from http://link.aps.org/abstract/PRA/v65/e040102.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-C22F-5 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-C230-0
Genre: Journal Article

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 Creators:
Morigi, Giovanna1, Author           
Solano, Enrique1, Author           
Englert, Berthold-Georg1, Author           
Walther, Herbert1, Author           
Affiliations:
1Laser Physics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445566              

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 Abstract: We show that the unitary evolution of a harmonic oscillator coupled to a two-level system can be undone by a suitable manipulation of the two-level system-more specifically, by a quasi-instantaneous phase change. This enables us to isolate the dissipative evolution to which the oscillator may be exposed in addition. With this method we study the decoherence time of a photon mode in cavity QED, and that of the quantized harmonic motion of trapped ions. We comment on the relation to spin echoes and multipath interferometry.

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Language(s): eng - English
 Dates: 2002-04
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 19867
ISI: 000174978600002
URI: http://link.aps.org/abstract/PRA/v65/e040102
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Title: Physical Review A
  Alternative Title : Phys. Rev. A
Source Genre: Journal
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Pages: - Volume / Issue: 65 (4) Sequence Number: 040102 Start / End Page: - 040102 Identifier: ISSN: 1050-2947