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  • E066704

    Rights statement: © 2005 The American Physical Society

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    10/07/12

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All-electron quantum Monte Carlo calculations for the noble gas atoms He to Xe

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Article number066704
<mark>Journal publication date</mark>21/06/2005
<mark>Journal</mark>Physical Review E
Issue number6
Volume71
Number of pages5
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

We report all-electron variational and diffusion quantum Monte Carlo (VMC and DMC) calculations for the noble gas atoms He, Ne, Ar, Kr, and Xe. The calculations were performed using Slater-Jastrow wave functions with Hartree-Fock single-particle orbitals. The quality of both the optimized Jastrow factors and the nodal surfaces of the wave functions declines with increasing atomic number Z, but the DMC calculations are tractable and well behaved in all cases. We discuss the scaling of the computational cost of DMC calculations with Z.

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© 2005 The American Physical Society