Issue |
Europhys. Lett.
Volume 59, Number 2, July 2002
|
|
---|---|---|
Page(s) | 298 - 304 | |
Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
DOI | https://doi.org/10.1209/epl/i2002-00241-3 | |
Published online | 01 July 2002 |
Magnetoresistance in the SDW state of
above
—Novel effect due to the
Landau quantization
1
Institute of Physics - P.O. Box 304, HR-10001 Zagreb, Croatia
2
Department of Physics, Faculty of Science - P.O. Box 331,
HR-10001 Zagreb, Croatia
3
Department of Physics, University of Southern California
Los Angeles CA 90089-0484, USA
and
Max-Planck Institute for the Physics of Complex Systems
Nöthnitzer Str. 38, D-01187 Dresden, Germany
Corresponding author: bhamzic@ifs.hr
Received:
12
March
2002
Accepted:
29
April
2002
Magnetoresistance in the spin-density wave (SDW) state of is
known to exhibit a rich variety of the angular dependencies when a
magnetic field B is rotated in the
,
and
a-c*
planes. In the presence of a magnetic field the quasiparticle
spectrum in the SDW with imperfect nesting is quantized. In such a
case the minimum quasiparticle energy depends both on the magnetic-field strength
|B| and the angle θ between the field and the crystal
direction
a
,
b'
or
c*
. This approach describes rather
satisfactory the magnetoresistance above
.
PACS: 75.30.Fv – Spin-density waves / 72.15.Gd – Galvanomagnetic and other magnetotransport effects / 72.80.Le – Polymers; organic compounds (including organic semiconductors)
© EDP Sciences, 2002
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