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Benchmarks of the full configuration interaction, Monte Carlo shell model, and no-core full configuration methods

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arxiv 1204.1755 v2 pith:WCKZRRHD submitted 2012-04-08 nucl-th

T. Abe , P. Maris , T. Otsuka , N. Shimizu , Y. Utsuno , J. P. Vary This is my paper · ORCID
classification nucl-th
keywords configurationfullapproachesinteractionaccuracycarlodifferentlight
verification ladder T0 review T1 audit T2 compute T3 formal
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We report no-core solutions for properties of light nuclei with three different approaches in order to assess the accuracy and convergence rates of each method. Full configuration interaction (FCI), Monte Carlo shell model (MCSM) and no core full configuration (NCFC) approaches are solved separately for the ground state energy and other properties of seven light nuclei using the realistic JISP16 nucleon-nucleon interaction. The results are consistent among the different approaches. The methods differ significantly in how the required computational resources scale with increasing particle number for a given accuracy.

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