Effect of bath temperature on the quantum decoherence

Details Effect of bath temperature on the quantum decoherence Effect of bath temperature on the quantum decoherence

2009-08-11

arxiv.org/abs/0908.1454v1

Physics

Quantum Physics

10 pages, 5 figures

Scientific paper

The dynamics of a qubit under the decoherence of a two level fluctuator (TLF) in addition to its coupling to a bosonic bath is investigated theoretically based on a unitary transformation. With the merit of our unitary transformation, non-Markov effect can be taken into account. It shows that quantum decoherence of the qubit can either be reduced or be increased with increasing bath temperature $T$ or with increasing TLF-bath coupling.

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