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Using a New Disentangling Technique in the Solution of the Master Equation of a Driven Damped Harmonic Oscillator by Thermo Entangled States Representation

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Abstract

In this study we aim to solve the amplitude damping model master equation for a driven damped harmonic oscillator under the action of a classical force with arbitrary time dependence. We use thermo entangled state representation for the density operator, but to avoid a complicated disentangling process in such solutions, we introduce a simple and concise method to extract the density operator from its thermo entangled state representation. Whereas time evolution is a classical process, this method can be effectively used.

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  1. Department of Physics, Faculty of Sciences, Imam Khomeini International University, Qazvin, Islamic Republic of Iran

    E. Nahvifard

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  1. E. Nahvifard
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Correspondence to E. Nahvifard.

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Nahvifard, E. Using a New Disentangling Technique in the Solution of the Master Equation of a Driven Damped Harmonic Oscillator by Thermo Entangled States Representation. Int J Theor Phys 58, 2481–2487 (2019). https://doi.org/10.1007/s10773-019-04138-z

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  • DOI: https://doi.org/10.1007/s10773-019-04138-z

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