Magnetic oscillations and field induced spin density waves in (TMTSF)2ClO4
D. Radic, A. Bjelis, D. Zanchi
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 RPA for the SDW susceptibility. 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 Tesla and the overal profile of the TMTSF2ClO4 phase diagram.
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