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Quantum Physics

arXiv:quant-ph/0508157 (quant-ph)
[Submitted on 22 Aug 2005]

Title:Decoherence induced by a fluctuating Aharonov-Casher phase

Authors:Fernando C. Lombardo, Francisco D. Mazzitelli, Paula I. Villar
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Abstract: Dipoles interference is studied when atomic systems are coupled to classical electromagnetic fields. The interaction between the dipoles and the classical fields induces a time-varying Aharonov-Casher phase. Averaging over the phase generates a suppression of fringe visibility in the interference pattern. We show that, for suitable experimental conditions, the loss of contrast for dipoles can be observable and almost as large as the corresponding one for coherent electrons. We analyze different trajectories in order to show the dependence of the decoherence factor with the velocity of the particles.
Comments: 13 pages, 3 figures. To appear in Phys. Rev. A
Subjects: Quantum Physics (quant-ph); Other Condensed Matter (cond-mat.other); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:quant-ph/0508157
  (or arXiv:quant-ph/0508157v1 for this version)
  https://doi.org/10.48550/arXiv.quant-ph/0508157
Related DOI: https://doi.org/10.1103/PhysRevA.72.042111

Submission history

From: Fernando C. Lombardo [view email]
[v1] Mon, 22 Aug 2005 14:29:38 UTC (20 KB)
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