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Amplitude-phase calculations of Regge poles obtained from coupled radial Dirac equations
KTH, School of Engineering Sciences (SCI), Mechanics.ORCID iD: 0000-0003-0149-341X
2011 (English)In: Journal of Physics A: Mathematical and Theoretical, ISSN 1751-8113, E-ISSN 1751-8121, Vol. 44, no 27, 275305- p.Article in journal (Refereed) Published
Abstract [en]

A recently developed amplitude-phase method for spinor-wave solutions is applied to the calculations of Regge pole positions and residues of Dirac particles. At a given energy the Dirac spin causes two sets of Regge poles that tend to coalesce in the non-relativistic limit. For the particular case of equal Lorentz-type vector and scalar potentials there is only one pole string, located very close to the non-relativistic pole string.

Place, publisher, year, edition, pages
2011. Vol. 44, no 27, 275305- p.
Keyword [en]
DIFFERENTIAL-EQUATION, SCHRODINGER-EQUATION, NUMERICAL-SOLUTIONS, SCATTERING, STATES, POTENTIALS, ATOMS
National Category
Mathematics Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-40245DOI: 10.1088/1751-8113/44/27/275305ISI: 000291554800014Scopus ID: 2-s2.0-79958809092OAI: oai:DiVA.org:kth-40245DiVA: diva2:440687
Note
QC 20110913Available from: 2011-09-13 Created: 2011-09-13 Last updated: 2017-12-08Bibliographically approved

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Thylwe, Karl-Erik

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