Vibrational Decoherence in Ion Trap Quantum Computers

Details Vibrational Decoherence in Ion Trap Quantum Computers Vibrational Decoherence in Ion Trap Quantum Computers

1997-10-22

arxiv.org/abs/quant-ph/9710053v1

Fortsch.Phys. 46 (1998) 749

Physics

Quantum Physics

latex, 2 ps figures, 10 pages

Scientific paper

The ion trap quantum computer proposed by Cirac and Zoller is analyzed for decoherence due to vibrations of the ions. An adiabatic approximation exploiting the vast difference between the frequencies of the optical intraionic transition and the vibrational modes is used to find the decoherence time at any temperature T. The scaling of this decoherence time with the number of ions is discussed, and compared to that due to spontaneous emission.

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