Journal
PHYSICS LETTERS A
Volume 374, Issue 9, Pages 1121-1125Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2009.12.070
Keywords
Path-spin entangled state; Information transfer
Categories
Funding
- DST [SR/S2/PU-16/2007]
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The path-spin entangled state of a single spin-1/2 particle is considered which is generated by using a beam-spitter and a spin-flipper. Using this hybrid entanglement at the level of a single particle as a resource, we formulate a protocol for transferring of the state of an unknown qubit to a distant location. Our scheme is implemented by a sequence of unitary operations along with suitable spin-measurements, as well as by using classical communication between the two spatially separated parties. This protocol, thus, demonstrates the possibility of using intraparticle entanglement as a physical resource for performing information theoretic tasks. (C) 2010 Elsevier B.V. All rights reserved.
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