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Assisted work distillation

Morris, Benjamin; Lami, Ludovico; Adesso, Gerardo


Benjamin Morris

Ludovico Lami


We study the process of assisted work distillation. This scenario arises when two parties share a bipartite quantum state ?AB and their task is to locally distill the optimal amount of work when one party is restricted to thermal operations, whereas the other can perform general quantum operations and they are allowed to communicate classically. We demonstrate that this question is intimately related to the distillation of classical and quantum correlations. In particular, we show that the advantage of one party performing global measurements over many copies of ?AB is related to the nonadditivity of the entanglement of formation. We also show that there may exist work bound in the quantum correlations of the state that is only extractable under the wider class of local Gibbs-preserving operations.


Morris, B., Lami, L., & Adesso, G. (2019). Assisted work distillation. Physical Review Letters, 122(13), Article 130601.

Journal Article Type Article
Acceptance Date Mar 5, 2019
Online Publication Date Apr 2, 2019
Publication Date Apr 2, 2019
Deposit Date Apr 29, 2019
Publicly Available Date Apr 29, 2019
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 1079-7114
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 122
Issue 13
Article Number 130601
Keywords Quantum Physics; Statistical Mechanics; Mathematical Physics
Public URL
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