Quantum computation with ions in thermal motion

Details Quantum computation with ions in thermal motion Quantum computation with ions in thermal motion

1998-10-14

arxiv.org/abs/quant-ph/9810039v2

Phys.Rev.Lett. 82 (1999) 1971-1974

Physics

Quantum Physics

5 pages, including 5 figures. To appear in Phys. Rev. Lett. New version demonstrates that our gate is insensitive to heating a

Scientific paper

10.1103/PhysRevLett.82.1971

We propose an implementation of quantum logic gates via virtual vibrational excitations in an ion trap quantum computer. Transition paths involving unpopulated, vibrational states interfere destructively to eliminate the dependence of rates and revolution frequencies on vibrational quantum numbers. As a consequence quantum computation becomes feasible with ions whos vibrations are strongly coupled to a thermal reservoir.

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