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Physics > Chemical Physics
Title: Projected Augmented Waves (PAW) inspired mixed basis sets for small molecules
(Submitted on 12 Apr 2024 (v1), last revised 16 Apr 2024 (this version, v2))
Abstract: The success behind many pseudopotential methods such as Projected Augmented Waves (PAW) and Phillips-Kleinman pseudopotential methods is that these methods are all electron methods in disguise. For the Phillips Kleinman and PAW methods we show that there is an all electron formulation. In the all electron formulation there are regular low wavevector wavefunctions and several, specially chosen, high wavevector wavefunctions that are specialized to the atomic environment. Using this as inspiration here we propose a new, PAW pseudopotential inspired, basis set method for small molecules, where we use the recently introduced LO or lo (Localized orbitals) basis set is paired with a Gaussian basis for a hybrid basis for small molecules.
Submission history
From: Garry Goldstein [view email][v1] Fri, 12 Apr 2024 14:21:54 GMT (5kb)
[v2] Tue, 16 Apr 2024 15:03:58 GMT (5kb)
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