Hydrodynamic model of an inhomogeneous electron gas

Andrey Krakovsky, Jerome K. Percus

Research output: Contribution to journalArticlepeer-review

Abstract

We present a simple hydrodynamic model for the ground state of an inhomogeneous electron gas. The profile relation and response are obtained explicitly. In the case of a uniform reference system the profile relation reduces to that of the Sjölander-Stott theory. We confirm their results using the most recent numerical data. We compare numerical results for a heavy impurity problem in two dimensions with the corresponding results in three dimensions. A density modulation is conjectured to develop in the region just around a negative impurity at sufficiently low electron densities, as a signature of the Wigner transition.

Original languageEnglish (US)
Pages (from-to)7901-7906
Number of pages6
JournalPhysical Review B
Volume52
Issue number11
DOIs
StatePublished - 1995

ASJC Scopus subject areas

  • Condensed Matter Physics

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