Coherence Conservation of a Qubit Coupled to a Thermal Dissipating Environment

Details Coherence Conservation of a Qubit Coupled to a Thermal Dissipating Environment Coherence Conservation of a Qubit Coupled to a Thermal Dissipating Environment

2008-02-12

arxiv.org/abs/0802.1596v1

Int. J. Quant. Inf. 6, Supp. 1, pp.779-785 (2008)

Physics

Quantum Physics

7 pages, 3 figures

Scientific paper

10.1142/S0219749908004109

It is shown that quantum coherence is conserved in a principal system in the case that the system is coupled to a fast dissipating environment [arXiv:0709.0562]. The phenomenon is called the quantum wipe effect. Here, this effect is reviewed and the analytical proof for a model system consisting of a one-qubit system coupled to a fast dissipating environment is extended to an environment at a thermal equilibrium.

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