Compressibility of a two-dimensional hole gas in tilted magnetic field

Details Compressibility of a two-dimensional hole gas in tilted magnetic field Compressibility of a two-dimensional hole gas in tilted magnetic field

2002-06-06

arxiv.org/abs/cond-mat/0206068v1

Phys. Rev. B 67, 081302(R) (2003)

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1103/PhysRevB.67.081302

We have measured compressibility of a two-dimensional hole gas in p-GaAs/AlGaAs heterostructure, grown on a (100) surface, in the presence of a tilted magnetic field. It turns out that the parallel component of magnetic field affects neither the spin splitting nor the density of states. We conclude that: (a) g-factor in the parallel magnetic field is nearly zero in this system; and (b) the level of the disorder potential is not sensitive to the parallel component of the magnetic field.

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