Gradient expansion of the kinetic energy including nonlocal exchange contributions |
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| Authors: | Ch Schweitzer R M Dreizler |
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| Institution: | 1. Institut für Theoretische Physik der Universit?t, Frankfurt/Main, Germany
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| Abstract: | We discuss the gradient expansion of the kinetic energy density, explicitly including nonlocal exchange contributions to ordere 2. Restricting the expansion to orderh 22 one finds that the expression obtained in the standard TFDW model is unchanged. |
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