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Time-dependent pair density from the principle of minimum Fisher information

Research paper by Á. Nagy

Indexed on: 16 Aug '18Published on: 15 Aug '18Published in: Journal of Molecular Modeling



Abstract

The Euler equation for the time-dependent pair density is derived from the principle of minimum Fisher information. The same Euler equation is also derived from the recently introduced time-dependent pair density functional theory. The concept of steric effect to electron pairs is proposed and the steric pair energy is defined as the Weizsäcker kinetic energy of electron pairs.