Circumventing Curse of Dimensionality in the Solution of Highly Multidimensional Models Encountered in Quantum Mechanics Using Meshfree Finite Sums Decomposition
Résumé
The fine description of the mechanics and structure of materials at
nanometric scale introduces some specific challenges related to the impressive number
of degrees of freedom required due to the highly dimensional spaces in which
those models are defined. This is the case of quantum mechanics models, in which
the wavefunction is defined in a space of dimension 3×Np, being Np the number of
particles involved, that leads to the terrific curse of dimensionality. Despite the fact
that spectacular progresses have been accomplished in the context of computational
mechanics in the last decade, the treatment of those models, as we describe in the
present work, needs further developments.
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