Phys. Rev. A 65, 044304 (2002) [4 pages]Quantum computing with four-particle decoherence-free states in an ion trapReceived 2 October 2001; published 2 April 2002 Quantum computing gates are proposed to apply on trapped ions in decoherence-free states. As the phase changes due to time evolution of components with different eigenenergies of quantum superposition are completely frozen, quantum computing based on this model would be perfect. Possible applications of our scheme in future ion-trap quantum computers is discussed. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.044304
DOI:
10.1103/PhysRevA.65.044304
PACS:
03.67.Lx, 32.80.Lg
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