Implications of the intrinsic decoherence in quantum mechanics to nonequilibrium statistical mechanics
- 1 August 1996
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 54 (2) , 1124-1127
- https://doi.org/10.1103/physreva.54.1124
Abstract
The discrete-time jump model for intrinsic decoherence in quantum mechanics proposed recently by Milburn is here generalized to explicitly time-dependent Hamiltonians. In this model, a time-dependent entropy is obtained and thus it admits of an interpretation that this is a model for an open system. Unlike in the Milburn model, we introduce a minimum uncertainty phase change dictated by the minimum ‘‘time-energy uncertainty product’’ to define the shortest time scale in the system. Implications of this model to quantum nanometric devices such as quantum dots or resonant tunneling devices are indicated. © 1996 The American Physical Society.Keywords
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