Elementary Electronic Excitation from a Two-Dimensional Hole Gas in the Presence of Spin-Orbit Interaction
We present a theoretical study of the elementary electronic excitation associated with plasmon modes in a two-dimensional hole gas (2DHG) in the presence of spin-orbit (SO) interaction induced by the Rashba effect, The calculation is carried out using a standard random-phase-approximation approach. It is found that, in such a spintronic system, plasmon excitation can be achieved via intra- and inter-SO electronic transitions around the Fermi level. As a result, the intra- and inter-SO plasmon...[Show more]
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|Source:||Journal of Physics: Condensed Matter|
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