Pressure- and Anion-Dependences of the SDW Phase Transition in the Bechgaard Salts
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概要
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The two-dimensional Hubbard model approximating the Bechgaard salts is refinedby introducing the second harmonics in the b' k dependence which enable to betterreproduce the A-dependence of the one electron energy near the Fermi surface. Thenesting-breaking component among the second harmonics is found to contribute anew term as important as the known one to the stability criterion of SDW. Newtransfer energy data reveal that this term is prominently enhanced at lowtemperatures and further with increased pressure, which clarifies the properties of thetitle in the light of the modified criterion.
- 社団法人日本物理学会の論文
- 1986-03-15
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