Dielectric function near a polarization catastrophe

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13 Scopus citations


The metal-insulator transition in a disordered system is described in terms of a divergence of the dielectric constant of the insulating phase (polarization catastrophe). The results of optical measurements are compared with theory within the framework of a scaling picture of the transition. Also described are recent theoretical and experimental developments regarding the role played by the low- frequency hopping modes that are characteristic of the disordered system, in the description of the transition.

Original languageEnglish (US)
Pages (from-to)189-201
Number of pages13
JournalPhilosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Issue number2
StatePublished - Aug 1984
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemical Engineering
  • General Physics and Astronomy


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