Physics – Quantum Physics
Scientific paper
2001-03-26
Physical Review Letters 87, 127901 (2001)
Physics
Quantum Physics
4 pages, 3 figs
Scientific paper
10.1103/PhysRevLett.87.127901
An effective interaction between trapped ions in thermal motion can be generated by illuminating them simultaneously with a single laser resonant with the ionic carrier frequency. The ac Stark-shift induces simultaneous `virtual' two-phonon transitions via several motional modes. Within a certain laser intensity range these transitions can interfere constructively, resulting in a relatively fast, heating-resistant two-qubit logic gate.
Jonathan Daniel
Plenio Martin . B.
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