Quantum work fluctuation theorem: Nonergodic Brownian motion case |
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Institution: | Department of Mathematics and Physics, North China Electric Power University, Baoding 071003, China |
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Abstract: | The work fluctuations of a quantum Brownian particle driven by an external force in a general nonergodic heat bath are studied under a general initial state. The exact analytical expression of the work probability distribution function is derived. Results show the existence of a quantum asymptotic fluctuation theorem, which is in general not a direct generalization of its classical counterpart. The form of this theorem is dependent on the structure of the heat bath and the specified initial condition. |
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Keywords: | Quantum fluctuation theorem Work fluctuation Nonergodic Brownian motion Probability distribution function |
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