Plasmons in spin-orbit coupled two-dimensional hole gas systems

Abstract

We study the dynamical dielectric function of a two-dimensional hole gas, exemplified on [001]-GaAs and InAs quantum wells, within the Luttinger model extended to the two lowest subbands including bulk and structure inversion asymmetric terms. The plasmon dispersion shows a pronounced anisotropy for GaAs- and InAs-based systems. In GaAs this leads to a suppression of plasmons due to Landau damping in some orientations. Due to the large Rashba contribution in InAs, the lifetime of plasmons can be controlled by changing the electric field. This effect is potentially useful in plasmon field effect transistors as previously proposed for electron gases.

8 pages, 9 figures, 1 table; reference added; published version

References in corpus (19)

• Spintronics: Fundamentals and applications
• Dielectric function, screening, and plasmons in 2D graphene
• Dynamical polarization of graphene at finite doping
• Spin dynamics in semiconductors
• Dynamical polarization, screening, and plasmons in gapped graphene
• Collective excitations of Dirac electrons in a graphene layer with spin-orbit interaction
• Dynamical polarizability of graphene beyond the Dirac cone approximation
• Anisotropic plasmons in a two-dimensional electron gas with spin-orbit interaction
• Dielectric function, screening, and plasmons of graphene in the presence of spin-orbit interactions
• Beating of Friedel oscillations induced by spin-orbit interaction
• Dynamical current-current susceptibility of gapped graphene
• Anisotropic splitting of intersubband spin plasmons in quantum wells with bulk and structural inversion asymmetry
• Theoretical study of interacting hole gas in p-doped bulk III-V semiconductors
• Spin Coulomb drag beyond the random phase approximation
• Dielectric function of the semiconductor hole gas
• Dielectric function of the semiconductor hole liquid: Full frequency and wave vector dependence
• Charge and spin density response functions of the clean two-dimensional electron gas with Rashba spin-orbit coupling at finite momenta and frequencies
• Static polarizability of two-dimensional hole gases
• Response properties of III-V dilute magnetic semiconductors: interplay of disorder, dynamical electron-electron interactions and band-structure effects

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• Plasmon modes in monolayer and double-layer black phosphorus under applied uniaxial strain
• Suppression of Coulomb exchange energy in quasi-two-dimensional hole systems
• Graphene-based three-body amplification of photon heat tunneling
• Dynamical polarization and plasmons in noncentrosymmetric metals
• Coulomb-exchange effects in nanowires with spin splitting due to a radial electric field