Abstract
Frustration is an important phenomenon in condensed matter physics because it can introduce a new order parameter such as chirality. Towards understanding a mechanism of the frustration in strongly correlated systems, we study a holographic superconductor model with three scalar fields and an interband Josephson coupling, which is important for the frustration. We analyze free energy of solutions of the model to determine ground states. We find chiral ground states, which have nonzero chirality.
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Nishida, M. Chiral ground states in a frustrated holographic superconductor. J. High Energ. Phys. 2015, 136 (2015). https://doi.org/10.1007/JHEP08(2015)136
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DOI: https://doi.org/10.1007/JHEP08(2015)136