Broken Symmetries in a One-Dimensional Half-Filled Band with Arbitrarily Long-Range Coulomb Interactions

Sumitendra Mazumdar, D. K. Campbell

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Abstract

The nature of the ground-state broken symmetry in a one-dimensional half-filled band with arbitrarily long-range Coulomb interactions between electrons is shown to be precisely given by two simple inequalities involving the Coulomb parameters. It is further shown that non-2kF periodicity may occur if the first of these inequalities is violated.

Original languageEnglish (US)
Pages (from-to)2067-2070
Number of pages4
JournalPhysical Review Letters
Volume55
Issue number19
DOIs
Publication statusPublished - 1985
Externally publishedYes

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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