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Environmentally induced shift of the quantum arrival time
被引:3
|作者:
Genkin, M.
[1
]
Ferro, F.
[1
]
Lindroth, E.
[1
]
机构:
[1] Stockholm Univ, S-10691 Stockholm, Sweden
来源:
PHYSICAL REVIEW A
|
2009年
/
80卷
/
05期
基金:
瑞典研究理事会;
关键词:
master equation;
quantum theory;
statistical distributions;
tunnelling;
PROBABILITY-DISTRIBUTION;
DIFFUSION-COEFFICIENTS;
DISSIPATION;
DECOHERENCE;
COORDINATE;
MOTION;
D O I:
10.1103/PhysRevA.80.052112
中图分类号:
O43 [光学];
学科分类号:
070207 ;
0803 ;
摘要:
Using a simple model potential, we study the effects of weak Markovian dissipation on the quantum arrival time. The interaction with the environment is incorporated into the dynamics through a Markovian master equation of Lindblad type, which allows us to compare time-of-arrival distributions and approximate crossing probabilities for different dissipation strengths and temperatures. We also establish a connection to an earlier study where quantum tunneling with dissipation was investigated, which leads us to some conclusions concerning the formulation of the continuity equation in the Lindblad theory.
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页数:6
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