Soliton Wall Superlattice in Quasi-One-Dimensional Conductor (Per)2Pt(mnt)2

Details Soliton Wall Superlattice in Quasi-One-Dimensional Conductor (Per)2Pt(mnt)2 Soliton Wall Superlattice in Quasi-One-Dimensional Conductor (Per)2Pt(mnt)2

2007-02-21

arxiv.org/abs/cond-mat/0702500v2

Physics

Condensed Matter

Strongly Correlated Electrons

10 pages, 3 figures. Submitted to Physical Review Letters (February 19, 2007)

Scientific paper

10.1103/PhysRevLett.99.026402

We suggest a model to explain the appearance of a high resistance high magnetic field charge-density-wave (CDW) phase, discovered by D. Graf et al. [Phys. Rev. Lett. v. 93, 076406 (2004)] in (Per)2Pt(mnt)2. In particular, we show that the Pauli spin-splitting effects improve the nesting properties of a realistic quasi-one-dimensional electron spectrum and, therefore, a high resistance Peierls CDW phase is stabilized in high magnetic fields. In low and very high magnetic fields, a periodic soliton wall superlattice (SWS) phase is found to be a ground state. We suggest experimental studies of the predicted phase transitions between the Peierls and SWS CDW phases in (Per)2Pt(mnt)2 to discover a unique SWS phase.

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