NONLINEAR DIFFUSION AND DENSITY FUNCTIONAL THEORY

被引:39
作者
DIETERICH, W [1 ]
FRISCH, HL [1 ]
MAJHOFER, A [1 ]
机构
[1] SUNY ALBANY, DEPT CHEM, ALBANY, NY 12222 USA
来源
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER | 1990年 / 78卷 / 02期
关键词
D O I
10.1007/BF01307852
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
A phenomenological dynamic extension of the classical density functional theory is proposed. Our evolution equation for the density has the form of a generalized Smoluchowski equation which involves a correlation potential to be derived from the microscopic theory. By means of an expansion in terms of generalized Hermite polynomials we also present numerical results for simple cases of nonlinear diffusion. © 1990 Springer-Verlag.
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页码:317 / 323
页数:7
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