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- W2023476903 abstract "We investigate tunneling of holes through a single barrier which is subject to an in-plane magnetic field. Band mixing between heavy and light holes is pronounced which indicates the necessity of using a multiband approach. The problem is investigated within the $4ifmmodetimeselsetexttimesfi{}4$ Luttinger-Kohn model for bands at ${ensuremath{Gamma}}_{8}$, without restriction on the Luttinger parameters. The application of a magnetic field enhances the anisotropy in the transmission coefficients ${T}_{ensuremath{lambda}ensuremath{mu}}({k}_{x},{k}_{y})$ and makes transitions possible between various channels (e.g., the two light holes). It is shown that heavy holes can precess when magnetic field is in plane, since band mixing lifts the selection rules for angular momentum. The current density is calculated for a double-barrier resonant structure and compared with a previous approximate theoretical result. This comparison clearly indicates that full wave vector dependence of the tunneling process is needed in order to obtain reliable values for the current." @default.
- W2023476903 created "2016-06-24" @default.
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- W2023476903 date "2005-03-23" @default.
- W2023476903 modified "2023-09-25" @default.
- W2023476903 title "Magnetotunneling of holes through single and double barriers using a multiband treatment" @default.
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- W2023476903 doi "https://doi.org/10.1103/physrevb.71.115321" @default.
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