Quantum Computing in Decoherence-Free Subspace Constructed by Triangulation

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Qiao Bi ; Liu Guo ; H. E. Ruda (2010)
  • Publisher: Hindawi Limited
  • Journal: Advances in Mathematical Physics (issn: 1687-9120, eissn: 1687-9139)
  • Related identifiers: doi: 10.1155/2010/365653
  • Subject: Physics | QC1-999 | Article Subject

A formalism for quantum computing in decoherence-free subspaces is presented. The constructed subspaces are partial triangulated to an index related to environment. The quantum states in the subspaces are just projected states which are ruled by a subdynamic kinetic equation. These projected states can be used to perform ideal quantum logical operations without decoherence.
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