Alfonso Ballon Bayona
A chiral magnetic spiral in the holographic Sakai-Sugimoto model
Ballon Bayona, Alfonso; Peeters, Kasper; Zamaklar, Marija
Authors
Dr Kasper Peeters kasper.peeters@durham.ac.uk
Associate Professor
Dr Marija Zamaklar marija.zamaklar@durham.ac.uk
Associate Professor
Abstract
We investigate the effect of a magnetic field on the vacuum of low-temperature QCD at large-N c in the presence of a chiral chemical potential, using the holographic SakaiSugimoto model. Above some critical chemical potential we find an instability, which triggers a decay of the homogeneous vacuum to a non-homogeneous configuration with a spiral form, which we construct explicitly. We find that this decay is suppressed for sufficiently large magnetic field, and determine the critical strength. We find that the new vacuum does not exhibit the chiral magnetic effect. This is related to the way the chiral chemical potential is introduced. We discuss an alternative way of introducing the chiral chemical potential that leads to a nonzero chiral magnetic effect.
Citation
Ballon Bayona, A., Peeters, K., & Zamaklar, M. (2012). A chiral magnetic spiral in the holographic Sakai-Sugimoto model. Journal of High Energy Physics, 2012(11), Article 164. https://doi.org/10.1007/jhep11%282012%29164
Journal Article Type | Article |
---|---|
Publication Date | Nov 29, 2012 |
Deposit Date | Nov 5, 2012 |
Publicly Available Date | May 7, 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 | 2012 |
Issue | 11 |
Article Number | 164 |
DOI | https://doi.org/10.1007/jhep11%282012%29164 |
Keywords | Gauge-gravity correspondence, AdS-CFT Correspondence. |
Public URL | https://durham-repository.worktribe.com/output/1471385 |
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Copyright Statement
© SISSA 2012. Published by Springer on behalf of International School for Advanced Studies (SISSA - Trieste, Italy). The final publication is available at Springer via http://dx.doi.org/10.1007/JHEP11(2012)164.
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