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Exploring colourful holographic superconductors.

Peeters, Kasper and Powell, Jonathan and Zamaklar, Marija (2009) 'Exploring colourful holographic superconductors.', Journal of high energy physics., 2009 (09). p. 101.

Abstract

We explore a class of holographic superconductors built using non-abelian condensates on probe branes in conformal and non-conformal backgrounds. These are shown to exhibit behaviour of the specific heat which resembles that of heavy fermion compounds in the superconducting phase. Instead of showing BCS-like exponential behaviour, the specific heat is polynomial in the temperature. It exhibits a jump at the critical temperature, in agreement with real-world superconductors. We also analyse the behaviour of the energy gap and the AC and DC conductivities, and find that the systems can be either semi-conducting or metallic just above the critical temperature.

Item Type:Article
Additional Information:http://arxiv.org/abs/0907.1508
Keywords:AdS-CFT and dS-CFT Correspondence, Gauge-gravity correspondence.
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1088/1126-6708/2009/09/101
Publisher statement:© SISSA 2009. Published by IOP Publishing for SISSA. This is an author-created, un-copyedited version of an article accepted for publication in Journal of High Energy Physics. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://dx.doi.org/10.1088/1126-6708/2009/09/101.
Record Created:06 May 2014 14:20
Last Modified:06 May 2014 16:53

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