UNCONVENTIONAL SPIN DENSITY WAVE IN (TMTSF)2PF6 BELOW T = 4.2 K

Author:

KORIN-HAMZIĆ B.1,BASLETIĆ M.2,MAKI K.34

Affiliation:

1. Institute of Physics, Bijenička 46, HR-10000 Zagreb, Croatia

2. Department of Physics, Faculty of Science, Bijenička 32, HR-10000 Zagreb, Croatia

3. Department of Physics, University of Southern California, Los Angeles, CA 90089-0484, USA

4. Max-Planck Institute for the Physics of Complex Systems, Nöthnitzer Str. 38, D-01187 Dresden, Germany

Abstract

It is well documented that SDW in (TMTSF)2PF6 undergoes another phase transition at T* ≈ 4  K , though the nature of the new phase has not been identified. In particular the angular dependence of the magnetoresistance for B ‖( a, b ′) plane below 4.2 K is dramatically different from the one above 4.2 K. We propose that below T* the new phase unconventional SDW (USDW) appears which modifies drastically the quasiparticle spectrum. The present model describes the observed angular dependence of the magnetoresistance reasonably well, which cannot be interpreted in terms of the conventional SDW.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

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