Density of electronic energy levels in disordered systems

Phys. Rev. B 12, 4460 – Published 15 November 1975
R. Friedberg and J. M. Luttinger


The behavior of the density of electronic energy levels for a simple model of a disordered system is studied in the limit of very low energies. By reformulating the problem as one in Brownian motion, it proves possible to obtain the leading term and the first correction to it. The leading term is just the one already conjectured by Lifshitz.


  • Received 21 April 1975
  • Published in the issue dated 15 November 1975

© 1975 The American Physical Society

Authors & Affiliations

R. Friedberg

  • Department of Physics, Barnard College and Columbia University, New York, New York 10027

J. M. Luttinger

  • Department of Physics, Columbia University, New York, New York 10027


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