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Physics  2006 

Decoherence and Matter Wave Interferometry

DOI: 10.1142/S0217979208039113

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A two-slit interference of a massive particle in the presence of environment induced decoherence is theoretically analyzed using a fully quantum mechanical calculation. The Markovian Master equation, derived from coupling the particle to a harmonic-oscillator heat bath, is used to obtain exact solutions which show the existence of an interference. Interestingly, decoherence does not affect the pattern, but only leads to a reduction in the fringe visibility.


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