Journal of the Physical Society of Japan
Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015
Phase Diagram of Two-Dimensional Organic Conductors: (BEDT-TTF)_2X
Hiori KinoHidetoshi Fukuyama
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1996 年 65 巻 7 号 p. 2158-2169

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The effects of on-site Coulomb interaction in two-dimensional organic conductors, κ-(BEDT-TTF)_2X, α-(BEDT-TTF)_2I_3 and (BEDT-TTF)_2MHg(SCN)_4, have been studied within the Hartree-Fock approximation. If the strength of Coulomb interaction exceeds some critical value, various kinds of antiferromagnetic states appear and these phases have been classified on a phase diagram with two key parameters, which leads to a unified view on the ground states of this unique family.

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© The Physical Society of Japan 1996
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