The use of entropy in quantum physics has guided remarkable advances in the understanding of entanglement and general forms of quantum correlations in composite quantum systems, and has enabled the quantification of quantum advantages in information and communication technologies. Entropic measures are at the core of quantum information theory, and recent cross-fertilizations with other fields (such as condensed matter and thermodynamics) are further promoting the interpretation and application of entropy in the quantum domain.

In this Special Issue, we aim to collect a combination of tutorial-style short review articles, with a series of original contributions that echo current developments in areas related to: entanglement theory, entanglement in many-body systems, topological entanglement entropy, single-shot quantum information theory, the characterization of quantum correlations, and quantum thermodynamics.
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===Submission===

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. Papers will be published continuously (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are refereed through a peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Entropy is an international peer-reviewed Open Access monthly journal published by MDPI.

Submission deadline: '''20 December 2014'''

===Keywords===

* entanglement theory and applications
* entropic and geometric measures of quantum correlations
* Renyi entropies and single-shot quantum information theory
* output entropy and capacities of quantum channels
* entropy production and control in quantum thermodynamics
* entanglement entropy in many-body systems
* topological entanglement entropy

'''Guest Editor'''
Dr. Gerardo Adesso
University of Nottingham