Dissipative time dependent density functional theory

Details Dissipative time dependent density functional theory Dissipative time dependent density functional theory

2009-03-23

arxiv.org/abs/0903.3644v4

Int. J. Theor. Phys. 48 (2009) 2660-2664

Physics

Quantum Physics

Scientific paper

10.1007/s10773-009-0054-6

The simplest density functional theory due to Thomas, Fermi, Dirac and Weizsacker is employed to describe the non-equilibrium thermodynamic evolution of an electron gas. The temperature effect is introduced via the Fermi-Dirac entropy, while the irreversible dynamics is described by a nonlinear diffusion equation. A dissipative Kohn-Sham equation is also proposed, which improves the Thomas-Fermi-Weizsacker kinetic functional.

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