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VOLUME 37 (1983) | ISSUE 8 | PAGE 349
Scaling theory of Anderson's transition for interacting electrons
The presence of spin scattering of conduction electrons distinguishes the metal-insulator transition in a disordered system of interacting electrons from concomitant magnetic transformations and greatly simplifies the problem. A scaling theory is constructed for the case which is most often realized experimentally. It is shown that there exists a single-parameter renormalization group, and the inverse resistance of the specimen (conductance) plays the role of the charge. The frequency and temperature dependences of the conductivity in the critical region are found.