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2008/04/08(Tue) 11:21

SDW Transitions in Q1D Organic Conductor (TMTTF)2Br


北海道大学大学院 理学研究科:松永悟明、野村一成
東北大学 金属材料研究所:佐々木孝彦

The SDW phase in (TMTTF)2Br was investigated through transport measurements under pressure and magnetic fields. From the field dependence of TSDW, we determined the role of electron correlation and two dimensionality in the SDW phase of (TMTTF)2Br under pressure and found that the SDW transition can be well explained within the mean field theory by taking into account the reduction of the coupling constant N(0)I by pressure.

Division of Physics, Hokkaido University: N. Matsunaga, K. Nomura
IMR, Tohoku University: T. Sasaki
Institute for Molecular Science: T. Nakamura
Reference: A. Ishikawa, N. Matsunaga, K. Nomura, et. al.,
"Electron correlation and two-dimensionality in the spin-density-wave phase of (TMTTF)2Br under pressure", Physical Review B 67 (2003) 212404.