Title
Comparison of various types of coherence and emergent coherent systems Comparison of various types of coherence and emergent coherent systems
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Mathematics
Physics
Chemistry
Source (journal)
International journal of quantum chemistry. - New York, N.Y.
Volume/pages
113(2013) :19 , p. 2181-2199
ISSN
0020-7608
ISI
000323316700001
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Coherence is a collective property that is present in Bose-Einstein condensates (BEC), an example of which when charged is superconductivity (SC). Coherence is also believed to be present to a degree in highly efficient energy transfer in certain biological systems. Attributes of coherent systems are examined in BEC, superfluidity and Bardeen, Cooper, and Schrieffer SC and a laser in part 1. Part 2 consists of examination of various proposals for coherence including emergent coherent systems where there may be coherence but no phase transition. We discuss cold atomic gases, the Casimir effect, an extended version of Forster's resonance energy transfer, Frohlich's model, exciton-coupled quantum wells, and conceptually old polaritons rejuvenated by new developments. A discussion about highly efficient energy transfer in photosynthesis along with our proposal for a possible new model for this system is the last of the examples. We finish with a discussion about emergent coherent systems and attempt to classify the examples of parts 1 and 2. (c) 2013 Wiley Periodicals, Inc.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/348d00/5468.pdf
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