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強相関電子系・異常量子系の非平衡での物性
岡隆史
1. Photo-voltaic anomalous transport in graphene
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)
1. Photo-voltaic anomalous transport in graphene
1. Photo-voltaic anomalous transport in graphene
2.1. Photo-induced TL-like liquid
F=0
F=0.3
photo-doping
Mott insulator (half-filled)
F=0.5
photo-doping
metallic
metallic
2.2. Dielectric breakdown in 1d Mott insulator
1. Many-body Landau-Zener transition
F: electric field, N: #sites,
Phys. Rev. Lett. 91, 066406 (2003)
2. non-Hermitian quantum transition
Fukui-Kawakami
gap closing
unification
2.2. Dielectric breakdown in 1d Mott insulator
1. non-Hermitian extension of the groundstate
done by Fukui-Kawakami
threshold electric field
2. non-Hermitian extension of the string solutions
trivial? simple extension of F-K
3. quantum tunneling rate by Heading’s method

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