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A numerical algorithm for solving the coupled Schr\"odinger equations using inverse power method

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arxiv 2403.02747 v1 pith:NT4MFI4N submitted 2024-03-05 physics.comp-ph nucl-thquant-ph

classification physics.comp-phnucl-thquant-ph
keywords algorithmmethodpowerinverseequationnumericalodingerschr
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The inverse power method is a numerical algorithm to obtain the eigenvectors of a matrix. In this work, we develop an iteration algorithm, based on the inverse power method, to numerically solve the Schr\"odinger equation that couples an arbitrary number of components. Such an algorithm can also be applied to the multi-body systems. To show the power and accuracy of this method, we also present an example of solving the Dirac equation under the presence of an external scalar potential and a constant magnetic field, with source code publicly available.

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Cited by 2 Pith papers

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    nucl-th 2026-07 conditional novelty 6.0 of 10

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    nucl-th 2025-08 reject novelty 4.0 of 10

    The authors calculate Wigner phase-space densities for clusters from deuteron to double-Lambda hyperhelium using hyperspherical-harmonic solutions of the Schrödinger equation.

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