\texttt{reskit}: a toolkit to determine the poles of an S-matrix

DOI10.1016/j.cpc.2019.01.007OpenAlexW2912270608WikidataQ128470273 ScholiaQ128470273MaRDI QIDQ6100292

Peter S. Bingham, Jimena D. Gorfinkiel

Publication date: 12 May 2023

Published in: Computer Physics Communications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.cpc.2019.01.007

zbMATH Keywords

Padé approximantsresonancesS-matrix

Mathematics Subject Classification ID

Quantum theory (81-XX) Statistical mechanics, structure of matter (82-XX)

Cites Work

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• \(R\)-matrix theory of atomic collisions. Application to atomic, molecular and optical processes.
• Ein Gesamtschrittverfahren zur Berechnung der Nullstellen von Polynomen
• Lifetime Matrix in Collision Theory
• Matrix Analysis
• Calculation of Resonance S-Matrix Poles by Means of Analytic Continuation in the Coupling Constant
• Analytic structure of the multichannel Jost matrix for potentials with Coulombic tails
• Padé approximation of theS-matrix as a way of locating quantum resonances and bound states
• A Numerical Method for Locating the Zeros of an Analytic Function

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