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Instability of N=2 gauge theory in compact space with an isospin chemical potential.

Chunlen, Suphakorn and Peeters, Kasper and Vanichchapongjaroen, Pichet and Zamaklar, Marija (2013) 'Instability of N=2 gauge theory in compact space with an isospin chemical potential.', Journal of high energy physics., 2013 (1). p. 35.


We investigate N=2 super-Yang-Mills theory on a three sphere in the presence of an isospin chemical potential at strong coupling using the AdS/CFT correspondence. This system exhibits an instability for sufficiently large values of the chemical potential. In contrast to other related models, the first excitation to condense is not a vector meson but rather a scalar charged under the global SO(4) symmetry group. Furthermore, the spectrum of fluctuations exhibits an interesting cross-over behaviour as a function of the dimensionless temperature. We construct the new ground state of the non-linear theory.

Item Type:Article
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Publisher statement:© SISSA 2013. Published by Springer on behalf of International School for Advanced Studies (SISSA - Trieste, Italy). The final publication is available at Springer via
Date accepted:No date available
Date deposited:12 May 2014
Date of first online publication:January 2013
Date first made open access:No date available

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