Conductivity of a spin-polarized two-dimensional electron liquid in the ballistic regime

Details Conductivity of a spin-polarized two-dimensional electron liquid in the ballistic regime Conductivity of a spin-polarized two-dimensional electron liquid in the ballistic regime

2005-04-12

arxiv.org/abs/cond-mat/0504301v2

Phys. Rev. B 73, 115420 (2006)

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1103/PhysRevB.73.115420

In the ballistic regime, the metallic temperature dependence of the conductivity in a two-dimensional electron system in silicon is found to change non-monotonically with the degree of spin polarization. In particular, it fades away just before the onset of complete spin polarization but reappears again in the fully spin-polarized state, being, however, suppressed relative to the zero-field case. Analysis of the degree of the suppression allows one to distinguish between the screening and the interaction-based theories.

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