Effect of dissipation on quantum coherence

Walls, D. F. and Milburn, G. J. (1985) Effect of dissipation on quantum coherence. Physical Review A, 31 4: 2403-2408. doi:10.1103/PhysRevA.31.2403

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Author Walls, D. F.
Milburn, G. J.
Title Effect of dissipation on quantum coherence
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 1985-01-01
Sub-type Article (original research)
DOI 10.1103/PhysRevA.31.2403
Open Access Status File (Publisher version)
Volume 31
Issue 4
Start page 2403
End page 2408
Total pages 6
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract The effect of dissipation on a macroscopic superposition of quantum states is studied with use of a Markovian master-equation approach. It is shown that a superposition of two states is reduced to a mixture at a rate proportional to the separation between the two states. This underlines the difficulty of observing a superposition of macroscopic quantum states in practice.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mathematics and Physics
 
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