Quantum Computations with Cold Trapped Ions

Phys. Rev. Lett. 74, 4091 – Published 15 May 1995
J. I. Cirac and P. Zoller

Abstract

A quantum computer can be implemented with cold ions confined in a linear trap and interacting with laser beams. Quantum gates involving any pair, triplet, or subset of ions can be realized by coupling the ions through the collective quantized motion. In this system decoherence is negligible, and the measurement (readout of the quantum register) can be carried out with a high efficiency.

DOI: http://dx.doi.org/10.1103/PhysRevLett.74.4091

  • Received 30 November 1994
  • Published in the issue dated 15 May 1995

© 1995 The American Physical Society

Authors & Affiliations

J. I. Cirac and P. Zoller

  • Institut für Theoretische Physik, Universiät Innsbruck, Technikerstrasse 25, A-6020 Innsbruck, Austria

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