| DATE: |
2010-04-27 11:00 - 12:00 |
| PLACE: |
Kenkyu Honkan 1F Meeting Room 2 |
| TITLE: |
Holographic Superconductor/Insulator Transition |
| CONTACT: |
KIMURA Tetsuji, tetsuji AT post.kek.jp |
| SPEAKER: |
Dr. Tatsuma Nishioka (University of Tokyo) |
| LANGUAGE: |
Japanese |
| ABSTRACT: |
We analyze the five-dimensional AdS gravity coupled to a gauge field and a charged scalar field. Under a Scherk-Schwarz compactification, we show that the system undergoes a superconductor/insulator transition at zero temperature in 2+1 dimensions as we change the chemical potential. By taking into account a confinement/deconfinement transition, the phase diagram turns out to have a rich structure. We will observe that it has a similarity with the RVB (resonating valence bond) approach to high-Tc superconductors via an emergent gauge symmetry.
Reference: arXiv:0911.0962 |
