Critical exponents for the metal-insulator transition of ⁷⁰Ge:Ga in magnetic fields
Watanabe, Michio · Itoh, Kohei M. · Morishita, Masashi · Ootuka, Youiti · Haller, Eugene E.
Original · EN
We have measured the electrical conductivity of nominally uncompensated ⁷⁰Ge: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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