Author: "Hameeuw, K." / Topic: electron gas - Searchworks@Jio Institute Digital Library Search Results

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Author: Hameeuw, K. J., Brosens, F., and Devreese, J. T.
Subjects: *ELECTRON gas, *ELECTRONS, *DIELECTRICS, *DYNAMICS, *EXCITON theory, *APPROXIMATION theory, *PHYSICS
Abstract: Dynamic exchange interactions can be introduced in the dielectric function via a dynamic local field factor. We study the effects of this inclusion on the energy-loss function of a two-dimensional electron gas, using the dynamic local field factor that we derived recently via the dynamical exchange decoupling method. The results are compared with the dielectric function in the Random Phase Approximation, showing a drastic influence of the dynamic exchange interactions. © 2004 American Institute of Physics [ABSTRACT FROM AUTHOR]
Published: 2004
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Author: Hameeuw, K. J., Brosens, F., and Devreese, J. T.
Subjects: *DIELECTRICS, *ELECTRON gas, *MATHEMATICAL decoupling, *CONSTITUTION of matter
Abstract: Dynamical exchange interactions can be introduced in the dielectric function via a dynamic local field factor. We study the effects of this inclusion on both the static and the frequency dependent dielectric function of a two-dimensional electron gas, using the dynamic local field factor that we derived recently via the dynamical exchange decoupling method. The results are compared with the dielectric function in the Random Phase Approximation and with different dynamic and static approximations of the local field factor. [ABSTRACT FROM AUTHOR]
Published: 2003
Full Text: View/download PDF

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