Theory of Lattice and Electronic Fluctuations in Weakly Localized Spin-Peierls Systems

Details Theory of Lattice and Electronic Fluctuations in Weakly Localized Spin-Peierls Systems Theory of Lattice and Electronic Fluctuations in Weakly Localized Spin-Peierls Systems

1996-07-08

arxiv.org/abs/cond-mat/9607061v1

Physics

Condensed Matter

15 pages, 7 Encapsulated Postscript figures

Scientific paper

10.1051/jp1:1996185

A theoretical approach to the influence of one-dimensional lattice fluctuations on electronic properties in weakly localized spin-Peierls systems is proposed using the renormalization group and the functional integral techniques. The interplay between the renormalization group flow of correlated electrons and one-dimensional lattice fluctuations is taken into account by the one-dimensional functional integral method in the adiabatic limit. Calculations of spin-Peierls precursor effects on response functions are carried out explicitely and the prediction for the temperature dependent magnetic susceptibility and nuclear relaxation is compared with available experimental data for (TMTTF)$_{2}$PF$_{6}$.

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