Decoherence in trapped ions due to polarization of the residual background gas

Details Decoherence in trapped ions due to polarization of the residual background gas Decoherence in trapped ions due to polarization of the residual background gas

2001-09-28

arxiv.org/abs/quant-ph/0109156v1

Phys. Rev. A 64, 033419 (2001)

Physics

Quantum Physics

26 pdf pages with 5 figures, http://www.df.ufscar.br/~quantum/

Scientific paper

10.1103/PhysRevA.64.033419

We investigate the mechanism of damping and heating of trapped ions associated with the polarization of the residual background gas induced by the oscillating ions themselves. Reasoning by analogy with the physics of surface electrons in liquid helium, we demonstrate that the decay of Rabi oscillations observed in experiments on 9Be+ can be attributed to the polarization phenomena investigated here. The measured sensitivity of the damping of Rabi oscillations with respect to the vibrational quantum number of a trapped ion is also predicted in our polarization model.

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