Observation of the approach to a polarization catastrophe

M. Capizzi, G. A. Thomas, F. DeRosa, R. N. Bhatt, T. M. Rice

Research output: Contribution to journalArticle

94 Scopus citations


Optical measurements of phosphorus-doped silicon yield a donor susceptibility which can be fitted with a critical form that extrapolates to a polarization catastrophe at the insulator-metal transition. The exponent is about twice classical predictions and demonstrates the quantum nature of the transition.

Original languageEnglish (US)
Pages (from-to)1019-1022
Number of pages4
JournalPhysical review letters
Issue number15
StatePublished - Jan 1 1980
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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