Strictly correlated uniform electron droplets

Rasanen, E. and Seidl, M. and Gori-Giorgi, P. (2011) Strictly correlated uniform electron droplets. PHYSICAL REVIEW B, 83 (19): 195111. ISSN 1098-0121,

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Abstract

We study the energetic properties of finite but internally homogeneous D-dimensional electron droplets in the strict-correlation limit. The indirect Coulomb interaction is found to increase as a function of the electron number, approaching the tighter forms of the Lieb-Oxford bound recently proposed by Rasanen et al. [Phys. Rev. Lett. 102, 206406 (2009)]. The bound is satisfied in three-, two-, and one-dimensional droplets, and in the latter case it is reached exactly-regardless of the type of interaction considered. Our results provide useful reference data for delocalized strongly correlated systems, and they can be used in the development and testing of exchange-correlation density functionals in the framework of density-functional theory.

Item Type: Article
Uncontrolled Keywords: DENSITY-FUNCTIONAL THEORY; STRONG-INTERACTION LIMIT; EXCHANGE-CORRELATION-ENERGY;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 22 Jun 2020 05:19
Last Modified: 22 Jun 2020 05:19
URI: https://pred.uni-regensburg.de/id/eprint/20833

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