Quantum feedback cooling of a single trapped ion in front of a mirror

Details Quantum feedback cooling of a single trapped ion in front of a mirror Quantum feedback cooling of a single trapped ion in front of a mirror

2005-06-22

arxiv.org/abs/quant-ph/0506187v1

Physics

Quantum Physics

15 pages, 11 Figures

Scientific paper

10.1103/PhysRevA.72.043826

We develop a theory of quantum feedback cooling of a single ion trapped in front of a mirror. By monitoring the motional sidebands of the light emitted into the mirror mode we infer the position of the ion, and act back with an appropriate force to cool the ion. We derive a feedback master equation along the lines of the quantum feedback theory developed by Wiseman and Milburn, which provides us with cooling times and final temperatures as a function of feedback gain and various system parameters.

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