%0 Journal Article
%T Theoretical Studies on Phase Transitions in Quasi-One-Dimensional Molecular Conductors
%A Hideo Yoshioka
%A Yuichi Otsuka
%A Hitoshi Seo
%J Crystals
%D 2012
%I MDPI AG
%R 10.3390/cryst2030996
%X A review is given for recent theoretical studies on phase transitions in quasi-one-dimensional molecular conductors with a quarter-filled band. By lowering temperature, charge transfer salts exhibit a variety of transitions accompanying symmetry breaking, such as charge ordering, lattice dimerization, antiferromagnetic transition, spin-Peierls distortion, and so on. Analyses on microscopic quasi-one-dimensional models provide their systematic understandings, by the complementary use of different analytical and numerical techniques; they can reproduce finite-temperature phase transitions, whose results can be directly compared with experiments and give feedbacks to material design.
%K molecular conductors
%K quasi-one-dimension
%K phase transition
%K charge order
%K metal-insulator transition
%K symmetry breaking
%K bosonization
%K renormalization group
%K quantum Monte Carlo
%K extended Hubbard model
%U http://www.mdpi.com/2073-4352/2/3/996