Explicitly correlated Gaussian functions
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Zhenghong Zhang; Ludwik Adamowicz
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Article
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1994
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John Wiley and Sons
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English
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Explicitly correlated Gaussian functions with $ ; exp( -P62) factors have been used in variational calculations of the ground state of the helium atom. Additional correlation factors in the form of even powers of rii were introduced to the Gaussian functions with exponential correlation components b