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Equilibrium and Nonequilibrium Spin Polarization near Filling Factor 3/2

JETP Letters. 2018. Vol. 108. No. 6. P. 419–422.
Zhuravlev A. S., Kulik L.V., Kuznetsov V. A., Khit’ko M. A., Kukushkin I.

The spin polarization features of an electron system and the relaxation of nonequilibrium spin excitations near an even-denominator fractional state of 3/2 in a two-dimensional electron system based on the GaAs/AlGaAs heterostructure are experimentally investigated. It is shown that the 3/2 state is a singular point in the filling factor dependence of the spin ordering of the two-dimensional electron system, at which the spin subsystem is rearranged. A giant slowing down of the relaxation of spin excitations to the ground state is revealed in a certain range of filling factors near filling factor 3/2.

Research target: Physics
Language: English
Full text
DOI
Keywords: дробный квантовый эффект Холлаheterostructuresгетероструктурыquantum Hall effect
Publication based on the results of:
Developments in condensed-matter physics (2018)
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