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VOLUME 78 | ISSUE 3 | PAGE 170
Theory of magnetic field-Induced charge-density-wave phases

A. G. Lebed

Department of Physics, Boston College, Chestnut Hill, MA 02467, USA Landau Institute for Theoretical Physics RAS, 117334 Moscow, Russia


PACS: 72.15.Gd, 74.70.Kn
Abstract

We elaborate an analytical theory of a cascade of magnetic field-induced charge-density-wave (FICDW) phases. It is shown that the following features distinguish it from the well-known spin-density-wave cascade: 1) the FICDW phases exist at temperatures much lower than the characteristic CDW transition temperature at H=0; 2) the cascade of the FICDW phases dramatically changes at certain directions of a magnetic field due to an interplay of Zeeman spin-splitting and an electron motion along open Fermi surfaces. Theoretical results are compared with the recent experimental attempts to reveal the FICDW phases in organic conductors α-(ET)2MHg(SCN)4 (M = K, Tl, Rb, etc.).


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