Coexistence of two vector order parameters: a holographic model for ferromagnetic superconductivity. Amoretti, A., Braggio, A., Maggiore, N., Magnoli, N., & Musso, D. Journal of High Energy Physics, 2014(1):54, 1, 2014.
Coexistence of two vector order parameters: a holographic model for ferromagnetic superconductivity [link]Website  doi  abstract   bibtex   
We study a generalization of the standard holographic p-wave superconductor featuring two interacting vector order parameters. Basing our argument on the symmetry and linear response properties of the model, we propose it as a holographic effective theory describing a strongly coupled ferromagnetic superconductor. We show that the two order parameters undergo concomitant condensations as a manifestation of an intrinsically interlaced charge/spin dynamics. Such intertwined dynamics is confirmed by the study of the transport properties. We characterize thoroughly the equilibrium and the linear response (i.e. optical conductivity and spin susceptibility) of the model at hand by means of a probe approximation analysis. Some insight about the effects of backreaction in the normal phase can be gained by analogy with the s-wave unbalanced holographic superconductor. © 2014 The Author(s).
@article{
 title = {Coexistence of two vector order parameters: a holographic model for ferromagnetic superconductivity},
 type = {article},
 year = {2014},
 keywords = {AdS-CFT Correspondence,Gauge-gravity correspondence,Holography and condensed matter physics (AdS/CMT)},
 pages = {54},
 volume = {2014},
 websites = {http://dx.doi.org/10.1007/JHEP01(2014)054},
 month = {1},
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 abstract = {We study a generalization of the standard holographic p-wave superconductor featuring two interacting vector order parameters. Basing our argument on the symmetry and linear response properties of the model, we propose it as a holographic effective theory describing a strongly coupled ferromagnetic superconductor. We show that the two order parameters undergo concomitant condensations as a manifestation of an intrinsically interlaced charge/spin dynamics. Such intertwined dynamics is confirmed by the study of the transport properties. We characterize thoroughly the equilibrium and the linear response (i.e. optical conductivity and spin susceptibility) of the model at hand by means of a probe approximation analysis. Some insight about the effects of backreaction in the normal phase can be gained by analogy with the s-wave unbalanced holographic superconductor. © 2014 The Author(s).},
 bibtype = {article},
 author = {Amoretti, Andrea and Braggio, Alessandro and Maggiore, Nicola and Magnoli, Nicodemo and Musso, Daniele},
 doi = {10.1007/JHEP01(2014)054},
 journal = {Journal of High Energy Physics},
 number = {1}
}

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