Correlation and coherence in many-electron system

Jang Yu Hsu; Eugeny Pogorelov; Yee Mou Kao

doi:10.1109/NANO.2005.1500755

Correlation and coherence in many-electron system

Jang Yu Hsu, Eugeny Pogorelov, Yee Mou Kao

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The inclusion of the correlation effect in many electron system was shown in the self-consistent density functional theory to yield the virial theorem, an important relation between the kinetic and the potential energies. This provides a correspondence principle and an accuracy that could rule out mechanisms not begetting results within the error limit. The coherence effect of exchange antisymmetry for fermions can readily couple with the correlation effect to result in rich physics. We show from a Variational Quantum Monte Carlo code that in the excited states of helium atom, the triplet state of like spins tends to have less repulsive dispersion than the singlet state of opposite spins.

Original language	English
Title of host publication	2005 5th IEEE Conference on Nanotechnology
Pages	475-479
Number of pages	5
DOIs	https://doi.org/10.1109/NANO.2005.1500755
Publication status	Published - 2005 Dec 1
Event	2005 5th IEEE Conference on Nanotechnology - Nagoya, Japan Duration: 2005 Jul 11 → 2005 Jul 15

Publication series

Name	2005 5th IEEE Conference on Nanotechnology
Volume	1

Other

Other	2005 5th IEEE Conference on Nanotechnology
Country	Japan
City	Nagoya
Period	05-07-11 → 05-07-15

All Science Journal Classification (ASJC) codes

Engineering(all)

Access to Document

10.1109/NANO.2005.1500755

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Hsu, J. Y., Pogorelov, E., & Kao, Y. M. (2005). Correlation and coherence in many-electron system. In 2005 5th IEEE Conference on Nanotechnology (pp. 475-479). [1500755] (2005 5th IEEE Conference on Nanotechnology; Vol. 1). https://doi.org/10.1109/NANO.2005.1500755

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