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Irreducible tensorial sets
Ugo Fano,Giulio Racah +1 more
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The article was published on 1959-01-01 and is currently open access. It has received 749 citations till now.read more
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Intensities of Crystal Spectra of Rare‐Earth Ions
TL;DR: In this article, the transition probability of pure-electronic electric dipole transitions between levels of the 4-fluorescence configuration perturbed by a static crystalline field is treated.
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Molecular Light Scattering and Optical Activity
TL;DR: Using classical and quantum methods with a strong emphasis on symmetry principles, the volume as discussed by the authors develops the theory of varied optical activity and related phenomena from the perspective of molecular scattering of polarized light.
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On the general theory of collisions for particles with spin
Maurice Jacob,G. C. Wick +1 more
TL;DR: In this article, the general analysis of binary reactions involving particles with arbitrary spin is reformulated in such a way, that it applies equally well to relativistic particles (including photons).
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RMATRX1: Belfast atomic R-matrix codes
TL;DR: RMATRX1 as mentioned in this paper is a general program to calculate atomic continuum processes using the R -matrix method, including electronatom and electron-ion scattering, and radiative processes such as bound-bound transitions, photoionization and polarizabilities.
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Theory of Linewidths in Electron Spin Resonance Spectra
Jack H. Freed,George K. Fraenkel +1 more
TL;DR: In this article, it was shown that a composite line arising from a set of degenerate nuclear-spin states should, in general, consist of a sum of superimposed lines of Lorentzian shape with different widths rather than a single line with an over-all shape.