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- The Graduate University for Advanced Studies, SOKENDAIJP142 papers
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Showing 1999 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el1999
Two-Loop Renormalization of the Quasiparticle Weight in Two-Dimensional Electron Systems
Jun-ichiro Kishine, Nobuo Furukawa, Kenji Yonemitsu
We apply the renormalization-group (RG) approach to two model systems where the two-dimensional Fermi surface has portions which give rise to the logarithmically singular two-loop…
cond-mat.str-el1999★ 4 cited
Quantum phase transitions and collapse of the Mott gap in the dimensional half-filled Hubbard model
Jun-ichiro Kishine
We study the low-energy asymptotics of the half-filled Hubbard model with a circular Fermi surface in continuous dimensions, based on the one-loop renormalization-group (RG…
cond-mat.str-el1999★ 18 cited
Spin-Density-Wave Phase Transitions in Quasi-One-Dimensional Dimerized Quarter-Filled Organic Conductors
Jun-ichiro Kishine, Kenji Yonemitsu
We have studied spin density wave (SDW) phase transitions in dimerized quarter-filled Hubbard chains weakly coupled via interchain one-particle hopping, . It is shown that…