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

Eugene E. Haller; Kohei M. Itoh; Masashi Morishita; Michio Watanabe; Youiti Ootuka

arxiv: cond-mat/0206256 · v1 · submitted 2002-06-14 · ❄️ cond-mat.dis-nn

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

Michio Watanabe , Kohei M. Itoh , Masashi Morishita , Youiti Ootuka , Eugene E. Haller This is my paper

classification ❄️ cond-mat.dis-nn

keywords fieldsmagneticcriticalexponentsmetal-insulatortransitionconductivityconsistent

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

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