593 citations
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Showing 2010 · math-phShow all
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math-ph2010★ 13 cited
Racah's method for general subalgebra chains: Coupling coefficients of SO(5) in canonical and physical bases
M. A. Caprio, K. D. Sviratcheva, A. E. McCoy
It is shown that the method of infinitesimal generators ("Racah's method") can be broadly and systematically formulated as a method applicable to the calculation of reduced couplin…
math-ph2010★ 3 cited
Spatial contraction of the Poincare group and Maxwell's equations in the electric limit
H. T. Reich, S. Wickramasekara
The contraction of the Poincare group with respect to the space trans- lations subgroup gives rise to a group that bears a certain duality relation to the Galilei group, that is, t…