Control-limited perfect state transfer, quantum stochastic resonance, and many-body entangling gate in imperfect qubit registers

C. Di Franco, Mauro Paternostro, D.I. Tsomokos, S.F. Huelga

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

We propose a protocol for perfect quantum state transfer that is resilient to a broad class of realistic experimental imperfections, including noise sources that could be modeled either as independent Markovian baths or as certain forms of spatially correlated environments. We highlight interesting connections between the fidelity of state transfer and quantum stochastic resonance effects. The scheme is flexible enough to act as an effective entangling gate for the generation of genuine multipartite entanglement in a control-limited setting. Possible experimental implementations using superconducting qubits are also briefly discussed.
Original languageEnglish
Article number062337
Pages (from-to)062337-062338
Number of pages2
JournalPhysical Review A
Volume77
Issue number6
DOIs
Publication statusPublished - 27 Jun 2008

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy(all)

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