Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2006-02-10
Phys. Rev. B 73, 245315 (2006)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
accepted for publication in Phys. Rev. B; 6 pages, 4 figures
Scientific paper
10.1103/PhysRevB.73.245315
The charge and spin Hall conductance of the two-dimensional hole gas within the Luttinger model with and without inversion symmetry breaking terms in a perpendicular magnetic field are studied, and two key phenomena are predicted. The sign of the spin Hall conductance is modulated periodically by the external magnetic field, which means a possible application in the future. Furthermore, a resonant spin Hall conductance in the two-dimensional hole gas with a certain hole density at a typical magnetic field is indicated, which implies a likely way to firmly establish the intrinsic spin Hall effect. The charge Hall conductance is unaffected by the spin-orbit coupling.
Liu Qin
Ma Tianxing
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