Phases in holographic helical superconductor

Mukhopadhyay, Soumik; Paul, Chandrima

doi:10.1142/s0217751x17500646

Cited by 3 publications

(1 citation statement)

References 38 publications

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“…As explained in [41] holographic superconductor may admit antiferromagnetic phase through condensation of adjoint scalar by breaking SU(2) → U (1). In this connection, we introduced a model [42] with gravity coupled to SU(2) × U(1) gauge theory along with a scalar field in adjoint, which admits helical superconducting black hole. For certain field configuration, the near horizon geometry of the black hole solution of this model admits metallic phase [43].…”

Section: Introductionmentioning

confidence: 99%

Metallic and antiferromagnetic fixed points from gravity

Paul

2018

Int. J. Mod. Phys. A

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We consider SU(2)× U(1) gauge theory coupled to matter field in adjoints and study RG group flow. We constructed Callan Symanzik equation and subsequent β functions and study the fixed points. We find there are two fixed points, showing metallic and antiferromagnetic behaviour. We have shown that metallic phase develops an instability if certain parametric conditions are satisfied. 11.15.Ex Spontaneous breaking of gauge symmetries; 11.25.Tq Gauge/string duality

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Section: Introductionmentioning

confidence: 99%

Metallic and antiferromagnetic fixed points from gravity

Paul

2018

Int. J. Mod. Phys. A

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Chaos in balanced and unbalanced holographic s+p superconductors

et al. 2019

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In this work, we propose a toy model for mixture of superconductors with competitive s and p modes using gauge/gravity duality. We demonstrate that the model undergoes phase transitions with the proper choice of different values for chemical potentials. We consider both balanced and unbalanced cases. We propose that the condensate field in the bulk toy model for a mixing s+p phase of high temperature superconductors undergoes a chaotic phase space scenario. Using a suitable measure function for chaos, we demonstrate the existence of chaotic dynamics via condensate fields. As an alternative method, we also investigate the phase portrait in the extended phase space for the condensates.

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Holographic helical superconductor with higher curvature corrections

Mukhopadhyay

Paul

2018

Int. J. Mod. Phys. A

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We study [Formula: see text] gauge theory with Chern–Simons term, coupled to scalar field in adjoint, in Einstein–Gauss–Bonnet gravity. We explore phases of holographic superconductor in terms of the condensates and free energies in the background of AdS black hole and AdS soliton. In the case of black hole, we find with increasing strength of higher curvature terms, transition temperature decreases. For AdS soliton, the critical value of chemical potential increases as the higher curvature terms dominate.

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Phases in holographic helical superconductor

Cited by 3 publications

References 38 publications

Metallic and antiferromagnetic fixed points from gravity

Metallic and antiferromagnetic fixed points from gravity

Chaos in balanced and unbalanced holographic s+p superconductors

Holographic helical superconductor with higher curvature corrections

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