A Droplet State in an Interacting Two-Dimensional Electron System

Abstract

It is well known that the dielectric constant of two-dimensional (2D) electron system goes negative at low electron densities. A consequence of the negative dielectric constant could be the formation of the droplet state. The droplet state is a two-phase coexistence region of high density liquid and low density "gas". In this paper, we carry out energetic calculations to study the stability of the droplet ground state. The possible relevance of the droplet state to recently observed 2D metal-insulator transition is also discussed.

4 pages, 4 figures. To appear in Phys. Rev. B (Rapid Communications)

Cited by in corpus (5)

• The 2D metal-insulator transition as a strong localization induced crossover phenomenon
• Two-dimensional metal-insulator-transition as a potential fluctuation driven semiclassical transport phenomenon
• Frustrated phase separation in two-dimensional charged systems
• Two-species percolation and Scaling theory of the metal-insulator transition in two dimensions
• Linear temperature dependence of conductivity in Si two-dimensional electrons near the apparent metal-to-insulator transition