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Enhancement of de Haas-van Alphen Oscillation due to Spin in the Magnetic Breakdown System

Keita Kishigi, Yasumasa Hasegawa, Mitake Miyazaki

cond-matarXiv:cond-mat/9902215

Abstract

The effects of the Zeeman term on the de Haas-van Alphen oscillation is studied in the magnetic breakdown system. We find that the amplitude of the oscillation with the frequencies of fβ + fα and fβ + 2fα are enhanced by the Zeeman term, while they are expected to be reduced in the semiclassical theory. A possible interpretation of the experiments in organic conductors is discussed.

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