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    Reflection of light and heavy holes from a linear potential barrier

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    Date Issued
    2000-12-15
    Publisher Version
    10.1103/PhysRevB.62.16566
    Author(s)
    Polkovnikov, Anatoli
    Suris, Robert Arnoldovich
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    Permanent Link
    https://hdl.handle.net/2144/37199
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    Citation (published version)
    A Polkovnikov, RA Suris. 2000. "Reflection of light and heavy holes from a linear potential barrier." PHYSICAL REVIEW B, Volume 62, Issue 24, pp. 16566 - 16571 (6). https://doi.org/10.1103/PhysRevB.62.16566
    Abstract
    In this paper, we study reflection of holes in direct-band semiconductors from a linear potential barrier. It is shown that the light-hole–heavy-hole transformation matrix depends only on the dimensionless product of the light-hole longitudinal momentum and the characteristic length determined by the slope of the potential and it does not depend on the ratio of light- and heavy-hole masses, provided this ratio is small. This coefficient is shown to vanish both in the limit of small and large longitudinal momenta, however the phase of a reflected hole is different in these limits. An approximate analytical expression for the light-hole–heavy-hole transformation coefficient is found.
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