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Open AccessArticle

Enhanced Energy Distribution for Quantum Information Heat Engines

Department of Applied Physics and Materials Engineering, Universidad Politecnica de Madrid, 28006 Madrid, Spain
Department of Theoretical Physics, Universidad Complutense de Madrid, 28040 Madrid, Spain
Author to whom correspondence should be addressed.
Academic Editor: Jay Lawrence
Entropy 2016, 18(9), 335;
Received: 5 August 2016 / Revised: 6 September 2016 / Accepted: 12 September 2016 / Published: 14 September 2016
(This article belongs to the Special Issue Quantum Information 2016)
A new scenario for energy distribution, security and shareability is presented that assumes the availability of quantum information heat engines and a thermal bath. It is based on the convertibility between entropy and work in the presence of a thermal reservoir. Our approach to the informational content of physical systems that are distributed between users is complementary to the conventional perspective of quantum communication. The latter places the value on the unpredictable content of the transmitted quantum states, while our interest focuses on their certainty. Some well-known results in quantum communication are reused in this context. Particularly, we describe a way to securely distribute quantum states to be used for unlocking energy from thermal sources. We also consider some multi-partite entangled and classically correlated states for a collaborative multi-user sharing of work extraction possibilities. In addition, the relation between the communication and work extraction capabilities is analyzed and written as an equation. View Full-Text
Keywords: quantum information heat engines; entanglement entropy; quantum cryptography; quantum thermodynamics quantum information heat engines; entanglement entropy; quantum cryptography; quantum thermodynamics
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Diaz de la Cruz, J.M.; Martin-Delgado, M.A. Enhanced Energy Distribution for Quantum Information Heat Engines. Entropy 2016, 18, 335.

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