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Paper detail

Automatic grid construction for few-body quantum mechanical calculations

An algorithm for generating optimal nonuniform grids for solving the two-body Schrödinger equation is developed and implemented. The shape of the grid is optimized to accurately reproduce the low-energy part of the spectrum of the Schrödinger operator. Grids constructed this way are applicable to more complex few-body systems where the number of grid points is a critical limitation to numerical accuracy. The utility of the grid generation for improving few-body calculations is illustrated through an application to bound states of He trimers.

preprint2011arXivOpen access
Vladimir RoudnevMichael Cavagnero
physics.atm-clusphysics.comp-ph
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Vladimir RoudnevMichael Cavagnero

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