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Spin-orbit coupling effect on quantum Hall ferromagnets with vanishing Zeeman energy

Research output: Contribution to journalJournal article

Published

Journal publication date3/01/2000
JournalPhysical review letters
Journal number1
Volume84
Number of pages4
Pages127-130
Original languageEnglish

Abstract

We present the phase diagram of a ferromagnetic nu = 2N + 1 quantum Hall liquid in a narrow quantum well with vanishing single-particle Zeeman splitting, epsilon(Z), and a pronounced spin-orbit coupling. Upon decreasing epsilon(Z) the spin-polarization field of a liquid takes, first, the easy-axis configuration, followed by the formation of a helical state which affects the transport and NMR properties of a liquid and the form of topological defects in it.