For a quantum system coupled to a heat bath environment the strong friction limit is studied starting from the exact path integral formulation. Generalizing the classical Smoluchowski limit to low temperatures, a time evolution equation for the position distribution is derived and the strong role of quantum fluctuations in this limit is revealed.
Strong friction limit in quantum mechanics: the quantum Smoluchowski equation.
J. Ankerhold,P. Pechukas,H. Grabert
Published 2001 in Physical Review Letters
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- Publication year
2001
- Venue
Physical Review Letters
- Publication date
2001-07-12
- Fields of study
Medicine, Physics
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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