The density of states of a two-dimensional electron gas in a random external magnetic field

Aharon Casher, Herbert Neuberger

Research output: Contribution to journalArticlepeer-review

Abstract

An argument is presented to explain the observed increase in the density of states at low energy of a hamiltonian describing a charged particle with spin 1 2 and with a g-factor = 2 in the presence of a random magnetic field in two dimensions. This effect is equivalent to chiral symmetry breaking in the quenched massless euclidean Schwinger model.

Original languageEnglish
Pages (from-to)67-69
Number of pages3
JournalPhysics Letters B
Volume139
Issue number1-2
DOIs
StatePublished - 3 May 1984

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