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SUMMARY:Entanglement recycling and generalized teleportation - Strelchuk\,
  S (University of Cambridge)
DTSTART:20130906T133000Z
DTEND:20130906T140000Z
UID:TALK46981@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Co-authors: Jonathan Oppenheim (UCL)\, Michal Horodecki (U of 
 Gdansk) \n\n I will introduce new teleportation protocols which are genera
 lizations of the original teleportation protocols that use the Pauli group
  and the port-based teleportation protocols\, introduced by Hiroshima and 
 Ishizaka\, that use the symmetric permutation group. I will show sufficien
 t conditions for a set of operations\, to give rise to a teleportation pro
 tocol and provide examples of such schemes. This generalization leads to p
 rotocols with novel properties and is needed to push forward new schemes o
 f computation based on them. Port-based teleportation protocols and our ge
 neralizations use a large resource state consisting of N singlets to telep
 ort only a single qubit state reliably. We provide two distinct protocols 
 which recycle the resource state to teleport multiple states with error li
 nearly increasing with their number. The first protocol consists of sequen
 tially teleporting qubit states\, and the second teleports them in a bulk.
 \n\n
LOCATION:Seminar Room 1\, Newton Institute
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