Universal Field-Induced Charge-Density-Wave Phase Diagram: Theory versus Experiment

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Abstract

We suggest a theory of field-induced charge-density-wave phases, generated by high magnetic fields in quasi-low-dimensional conductors. We demonstrate that, in layered quasi-one-dimensional conductors, the corresponding critical magnetic field ratios are universal and do not depend on any fitting parameter. In particular, we find that H1/H0=0.73, H2/H0=0.59, H3/H0=0.49, and H4/H0=0.42, where Hn is a critical field of a phase transition between the field-induced charge-density-wave phases with numbers n and n+1. The suggested theory is in very good qualitative and quantitative agreement with the existing experimental data in α-(ET)2KHg(SCN)4 material.

Original languageEnglish (US)
Article number046401
JournalPhysical review letters
Volume103
Issue number4
DOIs
StatePublished - Aug 6 2009

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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