Spin textures, screening, and excitations in dirty quantum Hall ferromagnets.

We study quantum Hall ferromagnets in the presence of a random electrostatic impurity potential. Describing these systems with a classical nonlinear sigma model and using analytical estimates supported by results from numerical simulations, we examine the nature of the ground state as a function of...

Ausführliche Beschreibung

Bibliographische Detailangaben
Hauptverfasser: Rapsch, S, Chalker, J, Lee, D
Format: Journal article
Sprache:English
Veröffentlicht: 2002