Mesoscopic interference

Details Mesoscopic interference Mesoscopic interference

2001-05-23

arxiv.org/abs/quant-ph/0105110v1

Recent Res. Devel. Physics, 3 (2002) 1-29

Physics

Quantum Physics

16 pages, 14 figures

Scientific paper

We analyze a double-slit experiment when the interfering particle is "mesoscopic" and one endeavors to obtain Welcher Weg information by shining light on it. We derive a compact expression for the visibility of the interference pattern: coherence depends on both the spatial and temporal features of the wave function during its travel to the screen. We set a bound on the temperature of the mesoscopic particle in order that its quantum mechanical coherence be maintained.

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