Holographic entanglement entropy close to crossover/phase transition in strongly coupled systems
arXiv:1608.03072 · doi:10.1016/j.nuclphysb.2017.01.010
Abstract
We investigate the behavior of entanglement entropy in the holographic QCD model proposed by Gubser et al. By choosing suitable parameters of the scalar self-interaction potential, this model can exhibit various types of phase structures: crossover, first order and second order phase transitions. We use entanglement entropy to probe the crossover/phase transition, and find that it drops quickly/suddenly when the temperature approaches the critical point which can be seen as a signal of confinement. Moreover, the critical behavior of the entanglement entropy suggests that we may use it to characterize the corresponding phase structures.
v1:19 pages, 5 figures; v2: refs added; v3: 20 pages, high-temperature behaviors of holographic entanglement entropy are given, accecpted for publication by NPB
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- Entanglement Wedge Minimum Cross-Section for Holographic Aether Gravity
- Mixed-state Entanglement for AdS Born-Infeld Theory
- A quantum information perspective on meson melting
- Probing Phase Structure of Strongly Coupled Matter with Holographic Entanglement Measures
- Holographic entanglement properties in the QCD phase diagram from EMD models
- Diagnosing quantum phase transition via holographic entanglement entropy at finite temperature