Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 138, Issue 6, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.4790613
Keywords
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Funding
- Australian Research Council [DE130101441]
- Australian Research Council [DE130101441] Funding Source: Australian Research Council
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We show that the expression of the high-density (i.e., small-r(s)) correlation energy per electron for the one-dimensional uniform electron gas can be obtained by conventional perturbation theory and is of the form epsilon(c)(r(s)) = -pi(2)/360 + 0.00845 r(s) + ..., where r(s) is the average radius of an electron. Combining these new results with the low-density correlation energy expansion, we propose a local-density approximation correlation functional, which deviates by a maximum of 0.1 mhartree compared to the benchmark diffusion Monte Carlo calculations. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4790613]
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