Spin-Orbit Symmetries of Conduction Electrons in Silicon

Details Spin-Orbit Symmetries of Conduction Electrons in Silicon Spin-Orbit Symmetries of Conduction Electrons in Silicon

2011-03-19

arxiv.org/abs/1103.3800v2

Phys. Rev. Lett. 107, 107203 (2011)

Physics

Condensed Matter

Materials Science

4 pages, 1 figure, 1 table

Scientific paper

10.1103/PhysRevLett.107.107203

We derive a spin-dependent Hamiltonian that captures the symmetry of the zone edge states in silicon. We present analytical expressions of the spin-dependent states and of spin relaxation due to electron-phonon interactions in the multivalley conduction band. We find excellent agreement with experimental results. Similar to the usage of the Kane Hamiltonian in direct band-gap semiconductors, the new Hamiltonian can be used to study spin properties of electrons in silicon.

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