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On the possibility of a radical decrease in the strength of many-body interactions in the organic metal α-(BETS)2 KHg(SCN)4

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Abstract

Behavior of the de Haas-van Alphen (dHvA) oscillations depending on the angle between the magnetic field direction and the perpendicular to conducting layers in the quasi-two-dimensional organic metal α-(BETS)2 KHg(SCN)4 was studied in detail. The angular dependence of the dHvA oscillation amplitude exhibits a series of minima (at ±43.2°, ±64.6°, and ±72.0°) related to the “zero spin” effect, through which it is possible to estimate the splitting factor. An analysis of this value suggests that many-body interactions in the compound studied are either absent or at least radically weakened.

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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 121, No. 2, 2002, pp. 504–507.

Original Russian Text Copyright © 2002 by Pesotski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\), Lyubovski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\), Biberacher, Kartsovnik, Nizhankovski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\), Kushch, H. Kobayashi, A. Kobayashi.

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Pesotskii, S.I., Lyubovskii, R.B., Biberacher, W. et al. On the possibility of a radical decrease in the strength of many-body interactions in the organic metal α-(BETS)2 KHg(SCN)4 . J. Exp. Theor. Phys. 94, 431–433 (2002). https://doi.org/10.1134/1.1458494

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