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FRANCESCO CICCARELLO

Resilience of singlet-state extraction against non-optimal resonance conditions

  • Authors: CICCARELLO, F; PATERNOSTRO, M; KIM, MS; PALMA GM
  • Publication year: 2008
  • Type: Articolo in rivista (Articolo in rivista)
  • Key words: quantum information theory, transport in mesoscopic systems
  • OA Link: http://hdl.handle.net/10447/46442

Abstract

We have recently presented a protocol for extracting the singlet state of two non-interacting high-dimensional spins through post-selection of the internal state of interaction mediators sent in succession [F. Ciccarello et al., arXiv:0710.3855v1]. The scheme requires each mediator's wavevector to obey appropriate resonance conditions. Here we show the robustness of the scheme in the realistic case where such conditions are not sharply fulfilled.