Metallic Phase and Metal-insulator Transition in 2d Electronic Systems

Details Metallic Phase and Metal-insulator Transition in 2d Electronic Systems Metallic Phase and Metal-insulator Transition in 2d Electronic Systems

1998-01-02

arxiv.org/abs/cond-mat/9801006v1

Physics

Condensed Matter

4 pages LateX

Scientific paper

10.1103/PhysRevB.57.R9381

The recent experimental observation of a metal-insulator transition in two dimensions prompts a re-examination of the theory of disordered interacting systems. We argue that the existing theory permits the existence of a metallic phase and propose a number of experiments such as magnetoconductance and tunnelling in the presence of a parallel field, which should provide diagnostic tests as to whether a given experimental system is in fact in this regime. We also comment on a generic flow diagram which predicts a maximum metallic resistivity.

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