Large adiabatic geometric phase in rotating single atom-scale diamond defects

Details Large adiabatic geometric phase in rotating single atom-scale diamond defects Large adiabatic geometric phase in rotating single atom-scale diamond defects

2012-02-15

arxiv.org/abs/1202.3472v1

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

We demonstrate that the internal magnetic states of a single nitrogen-vacancy defect, within a rotating diamond crystal, acquire geometric phases. The geometric phase shift is manifest as a relative phase between components of a superposition of magnetic substates. We demonstrate that under reasonable experimental conditions a phase shift of up to four radians could be measured. Such a measurement of the accumulation of a geometric phase, due to macroscopic rotation, would be the first for a single atom-scale quantum system.

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