73 citations · 1.1k across the 69 of their papers we have counts for
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Anisotropic suppression of quasiparticle weight in two-dimensional electron system with partially flat Fermi surface: two-loop renormalization-group analysis
Jun-ichiro Kishine, Kenji Yonemitsu
Two-loop renormalization-group analysis for a two-dimensional electron system with a partially flat Fermi surface has been carried out. We found that, {\it irrespective of pairing…
Effects of dimerization and interchain one-particle hopping in a weakly coupled dimerized chain system at quarter filling
Jun-ichiro Kishine, Kenji Yonemitsu
Effects of the intrachain dimerization and the interchain one-particle hopping, , in a quasi-one-dimensional dimerized chain system at quarter filling have been studied, bas…
Berry phases and pairing symmetry in Holstein-Hubbard polaron systems
K. Yonemitsu, J. Zhong, H. -B. Schuttler
We study the tunneling dynamics of dopant-induced hole polarons which are self-localized by electron-phonon coupling in a two-dimensional antiferro- magnet. Our treatment is based…
Crossover from Antiferromagnetic Phase to Fermiology Regime in a Weakly Coupled Half-Filled Chain System
Jun-ichiro Kishine, Kenji Yonemitsu
Effects of the electron-electron umklapp process on dimensional crossovers caused by the interchain one-particle hopping, , in a weakly-coupled half-filled chain system…
Dimensional Crossovers in the Doped Ladder System: Spin Gap, Superconductivity and Interladder Coherent Band Motion
Jun-ichiro Kishine, Kenji Yonemitsu
Based on the perturbative renormalization group (PRG) approach, we have studied dimensional crossovers in Hubbard ladders coupled via weak interladder one-particle hopping, $t_{\pe…