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Papadakis SJ De Poortere EP Manoharan HC Shayegan M Winkler R 《Science (New York, N.Y.)》1999,283(5410):2056-2058
Experiments on a constant-density two-dimensional hole system in a gallium arsenide quantum well revealed that the metallic behavior observed in the zero-magnetic-field temperature dependence of the resistivity depends on the symmetry of the confinement potential and the resulting spin splitting of the valence band. 相似文献