1. Photo-voltaic anomalous transport in graphene 強相関電子系・異常量子系の非平衡での物性 2. Photo-induced phase transition in Mott insulators 2.1. Photo-induced TL-like liquid 2.2. Dielectric breakdown in 1d Mott insulator 3. Non-equilibrium superconductivity (in progress) 岡隆史
1. Photo-voltaic anomalous transport in graphene
F=0.5F=0.3F=0 Mott insulator (half-filled)metallic photo-doping 2.1. Photo-induced TL-like liquid
F: electric field, N: #sites, Phys. Rev. Lett. 91, (2003) 2.2. Dielectric breakdown in 1d Mott insulator 1. Many-body Landau-Zener transition 2. non-Hermitian quantum transition gap closing Fukui-Kawakami unification
2.2. Dielectric breakdown in 1d Mott insulator 1.non-Hermitian extension of the groundstate done by Fukui-Kawakami 2. non-Hermitian extension of the string solutions trivial? simple extension of F-K 3. quantum tunneling rate by Heading’s method threshold electric field