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Topologically decoherence-protected qubits with trapped ions

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 Added by Thomas Coudreau
 Publication date 2007
  fields Physics
and research's language is English
 Authors Perola Milman




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We show that trapped ions can be used to simulate a highly symmetrical Hamiltonian with eingenstates naturally protected against local sources of decoherence. This Hamiltonian involves long range coupling between particles and provides a more efficient protection than nearest neighbor models discussed in previous works. Our results open the perspective of experimentally realizing in controlled atomic systems, complex entangled states with decoherence times up to nine orders of magnitude longer than isolated quantum systems.



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