Spin-1/2 geometric phase driven by decohering quantum fields

Details Spin-1/2 geometric phase driven by decohering quantum fields Spin-1/2 geometric phase driven by decohering quantum fields

2003-06-25

arxiv.org/abs/quant-ph/0306178v1

Phys.Rev.Lett. 92 (2004) 020402

Physics

Quantum Physics

4 pages

Scientific paper

10.1103/PhysRevLett.92.020402

We calculate the geometric phase of a spin-1/2 system driven by a one and two mode quantum field subject to decoherence. Using the quantum jump approach, we show that the corrections to the phase in the no-jump trajectory are different when considering an adiabatic and non-adiabatic evolution. We discuss the implications of our results from both the fundamental as well as quantum computational perspective.

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