On Partially Entanglement Breaking Channels

  • Authors:

  • Dariusz Chruściński;Andrzej Kossakowski

  • Affiliations:

  • Institute of Physics, Nicolaus Copernicus University, Toruń, Poland 87-100;Institute of Physics, Nicolaus Copernicus University, Toruń, Poland 87-100

  • Venue:
  • Open Systems & Information Dynamics
  • Year:
  • 2006

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Abstract

Using well known duality between quantum maps and states of composite systems we introduce the notion of Schmidt number for a quantum channel. It enables one to define classes of quantum channels which partially break quantum entanglement.These classes generalize the well known class of entanglement breaking channels.