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Spin polarization transitions in the FQHE
Author(s) -
Mariani E.,
Mazzarello R.,
Sassetti M.,
Kramer B.
Publication year - 2002
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/1521-3889(200212)11:12<926::aid-andp926>3.0.co;2-r
Subject(s) - condensed matter physics , physics , spin polarization , magnetic field , polarization (electrochemistry) , composite fermion , electron , quantum mechanics , quantum hall effect , quantum spin hall effect , chemistry
The spin polarization of the FQHE ground states at fixed filling factors is analyzed within a composite fermion model. As a function of the perpendicular magnetic field several cross‐overs between differently polarized ground states are predicted, in agreement with recent experimental investigations. The magnetic field and temperature scalings of the polarization, as well as the magnetic field dependence of the spin‐flip gap are studied.