Critical exponents for the metal-insulator transition of ^{70}Ge:Ga in magnetic fields

Details Critical exponents for the metal-insulator transition of ^{70}Ge:Ga in magnetic fields Critical exponents for the metal-insulator transition of ^{70}Ge:Ga in magnetic fields

2002-06-14

arxiv.org/abs/cond-mat/0206256v1

Proc. ICPS25, pp. 152--153 (2001)

Physics

Condensed Matter

Disordered Systems and Neural Networks

2 pages, 3 figures, in "Proceedings of the 25th International Conference on the Physics of Semiconductors," edited by N. Miura

Scientific paper

We have measured the electrical conductivity of nominally uncompensated
^{70}Ge:Ga samples in magnetic fields up to B=8 T at low temperatures
(T=0.05-0.5 K) in order to investigate the metal-insulator transition in
magnetic fields. The values of the critical exponents in magnetic fields are
consistent with the scaling theories.

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