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Title: Detecting entanglement with Jarzynski's equality
Authors: Hide, J.
Vedral, V. 
Issue Date: 3-Jun-2010
Citation: Hide, J., Vedral, V. (2010-06-03). Detecting entanglement with Jarzynski's equality. Physical Review A - Atomic, Molecular, and Optical Physics 81 (6) : -. ScholarBank@NUS Repository.
Abstract: We present a method for detecting the entanglement of a state using nonequilibrium processes. A comparison of relative entropies allows us to construct an entanglement witness. The relative entropy can further be related to the quantum Jarzynski equality, allowing nonequilibrium work to be used in entanglement detection. To exemplify our results, we consider two different spin chains. © 2010 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
ISSN: 10502947
DOI: 10.1103/PhysRevA.81.062303
Appears in Collections:Staff Publications

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