Holographic Phase Transitions of P-wave Superconductors in Gauss-Bonnet Gravity with Back-reaction

Hai-Qing Zhang; Rong-Gen Cai; Zhang-Yu Nie

arxiv: 1012.5559 · v2 · pith:TNGVLVUCnew · submitted 2010-12-27 · ✦ hep-th

Holographic Phase Transitions of P-wave Superconductors in Gauss-Bonnet Gravity with Back-reaction

Rong-Gen Cai , Zhang-Yu Nie , Hai-Qing Zhang This is my paper

classification ✦ hep-th

keywords orderphaseback-reactiongauss-bonnettransitionsholographicp-waveparameter

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We investigate the phase transitions of holographic p-wave superconductors in (4+1)-dimensional Einstein-Yang-Mills-Gauss-Bonnet theories, in a grand canonical ensemble. Turning on the back-reaction of the Yang-Mills field, it is found that the condensations of vector order parameter become harder if the Gauss-Bonnet coefficient grows up or the back-reaction becomes stronger. In particular, the vector order parameter exhibits the features of first order and second order phase transitions, while only the second order phase transition is observed in the probe limit. We discuss the roles that the Gauss-Bonnet term and the back-reaction play in changing the order of phase transition.

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