Issue Europhys. Lett. Volume 74, Number 2, April 2006 Page(s) 240 - 246 Section Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics DOI 10.1209/epl/i2005-10527-x Published online 08 March 2006

Europhys. Lett., 74 (2), pp. 240-246 (2006)
DOI: 10.1209/epl/i2005-10527-x

Thermal breakdown of coherent backscattering: A case study of quantum duality

C. Wickles and C. Müller

Physikalisches Institut, Universität Bayreuth - 95440 Bayreuth, Germany

received 5 December 2005; accepted in final form 17 February 2006
published online 8 March 2006

Abstract
We investigate coherent backscattering of light by two harmonically trapped atoms in the light of quantitative quantum duality. Including recoil and Doppler shift close to an optical resonance, we calculate the interference visibility as well as the amount of which-path information, both for zero and finite temperature.

PACS
42.25.Hz - Interference.
03.65.Yz - Decoherence; open systems; quantum statistical methods.
42.50.Vk - Mechanical effects of light on atoms, molecules, electrons, and ions.

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