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arXiv · 1911.06262

Current-driven tricritical point in large-$N_{c}$ gauge theory

Takuya Imaizumi·Masataka Matsumoto·Shin Nakamura
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Abstract

We discover a new tricritical point realized only in non-equilibrium steady states, using the AdS/CFT correspondence. Our system is a (3+1)-dimensional strongly-coupled large-$N_{c}$ gauge theory. The tricritical point is associated with a chiral symmetry breaking under the presence of an electric current and a magnetic field. The critical exponents agree with those of the Landau theory of equilibrium phase transitions. This suggests that the presence of a Landau-like phenomenological theory behind our non-equilibrium phase transitions.

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Takuya Imaizumi, Masataka Matsumoto, Shin Nakamura. 2019-11-14. Current-driven tricritical point in large-$N_{c}$ gauge theory. https://doi.org/10.1103/physrevlett.124.191603

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