Critical Exponents for the Metal--Insulator Transition in Disordered Systems

Abstract

Non-standard .sty file `equations.sty' now included inline. The critical exponents of the metal--insulator transition in disordered systems have been the subject of much published work containing often contradictory results. Values ranging between $\half$ and $2$ can be found even in the recent literature. In this paper the results of a long term study of the transition are presented. The data have been calculated with sufficient accuracy (0.2\%) that the calculated exponent can be quoted as $s=\nu =1.54\pm 0.08$ with confidence. The reasons for the previous scatter of results is discussed.

8 pages + figures, LaTeX

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