Magnetic oscillations and field-induced spin-density waves in (TMTSF)2ClO4

Danko Radić, Aleksa Bjeliš, and Dražen Zanchi
Phys. Rev. B 69, 014411 – Published 22 January 2004
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Abstract

We report an analysis of the effects of magnetic field on a quasi-one-dimensional band of interacting electrons with a transverse dimerizing potential. One-particle problem in bond-antibond representation is solved exactly. The resulting propagator is used to calculate the spin-density-wave (SDW) response of the interacting system within the matrix random-phase approximation for the SDW susceptibility. We find that the value of the anion potential fitting experiments in relaxed (TMTSF)2ClO4 is large, of the order of interchain hopping. In particular we predict the magnetic-field-induced transition of the first order between interband SDW0 and intraband SDW± phases, we reproduce the rapid oscillations with a period of 260 T and the overall profile of the (TMTSF)2ClO4 phase diagram.

  • Received 24 June 2002

DOI:https://doi.org/10.1103/PhysRevB.69.014411

©2004 American Physical Society

Authors & Affiliations

Danko Radić and Aleksa Bjeliš

  • Department of Physics, Faculty of Science, University of Zagreb, POB 162, 10001 Zagreb, Croatia

Dražen Zanchi

  • Laboratoire de Physique Théorique et Hautes Energies, Paris, France

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Vol. 69, Iss. 1 — 1 January 2004

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