Excited states and the metal-insulator transition in monovalent systems

R. N. Bhatt, Subir Sachdev

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


We have used Gutzwiller's variational method to study the metal-insulator transition in a modified Hubbard model with low-lying excited states and one electron per site. Comparison is made with results obtained using conventional band screening arguments. Implications for many-valley semiconductors with and without central-cell effects are discussed.

Original languageEnglish (US)
Pages (from-to)3520-3523
Number of pages4
JournalPhysical Review B
Issue number5
StatePublished - 1986
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics


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