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Exploring colourful holographic superconductors

Peeters, Kasper; Powell, Jonathan; Zamaklar, Marija

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Jonathan Powell


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.


Peeters, K., Powell, J., & Zamaklar, M. (2009). Exploring colourful holographic superconductors. Journal of High Energy Physics, 2009(09), Article 101.

Journal Article Type Article
Publication Date Sep 23, 2009
Deposit Date Feb 17, 2011
Publicly Available Date May 6, 2014
Journal Journal of High Energy Physics
Print ISSN 1126-6708
Electronic ISSN 1029-8479
Publisher Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Peer Reviewed Peer Reviewed
Volume 2009
Issue 09
Article Number 101
Keywords AdS-CFT and dS-CFT Correspondence, Gauge-gravity correspondence.


Accepted Journal Article (821 Kb)

Copyright 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

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