In Einstein-Born-Infeld massive gravity, the second temperature derivative of the entanglement-wedge cross-section tracks the metal-insulator crossover, all entanglement measures diagnose Hawking-Page transitions, and a 1/3 critical exponent appears universal.
Holographic entanglement entropy in general holographic superconductor models
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abstract
We study the entanglement entropy of general holographic dual models both in AdS soliton and AdS black hole backgrounds with full backreaction. We find that the entanglement entropy is a good probe to explore the properties of the holographic superconductors and provides richer physics in the phase transition. We obtain the effects of the scalar mass, model parameter and backreaction on the entropy, and argue that the jump of the entanglement entropy may be a quite general feature for the first order phase transition. In strong contrast to the insulator/superconductor system, we note that the backreaction coupled with the scalar mass can not be used to trigger the first order phase transition if the model parameter is below its bottom bound in the metal/superconductor system.
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Mixed-state entanglement and phase transitions in Einstein-Born-Infeld massive gravity
In Einstein-Born-Infeld massive gravity, the second temperature derivative of the entanglement-wedge cross-section tracks the metal-insulator crossover, all entanglement measures diagnose Hawking-Page transitions, and a 1/3 critical exponent appears universal.