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Open Quantum Systems Decoherence

Microscopic approach to field dissipation in the Jaynes-Cummings model

arXiv

Authors: C. A. González-Gutiérrez, D. Solís-Valles, B. M. Rodríguez-Lara

Year

2017

Paper ID

44458

Status

Preprint

Abstract Read

~2 min

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Abstract

We use the microscopic derivation of the Jaynes-Cummings model master equation under field losses to study the dynamics of initial field states beyond the single-excitation manifold. We show that field-qubit detuning, as well as finite temperature, modify the effective decay rate in the model using entropy measures, like qubit-field purity and von Neumann entropy of the field, for initial Fock states. For initial semi-classical states of the field, we show that the microscopic approach, in phase space, provides an evolution to thermal equilibrium that is smoother than the one provided by the standard phenomenological approach.

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We use the microscopic derivation of the Jaynes-Cummings model master equation under field losses to study the dynamics of initial field states beyond the single-excitation...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1707.07056 [2] arXiv https://arxiv.org/abs/1707.07056 [3] Publisher https://arxiv.org/abs/1707.07056

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