Web of Science: 48 cites, Scopus: 4 cites, Google Scholar: cites
Measuring irreversible dynamics of a quantum harmonic oscillator
Morigi, Giovanna (Max-Planck-Institut für Quantenoptik)
Solano, Enrique (Max-Planck-Institut für Quantenoptik)
Englert, Berthold-Georg (Max-Planck-Institut für Quantenoptik)
Walther, Herbert (Max-Planck-Institut für Quantenoptik)
American Physical Society

Data: 2002
Resum: 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.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: Article ; recerca ; Versió publicada
Publicat a: Physical review. A, Vol. 65, Issue 4 (April 2002) , p. 040102-1-040102-4, ISSN 1050-2947

DOI: 10.1103/PhysRevA.65.040102

4 p, 60.9 KB

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