A theoretical study of the quadratic Zeeman effect
Barbara A. Kelly · Spiral (Imperial College London) · 1982
Recent experimental work on the quadratic Zeeman effect has indentified previously unobserved phenomena in certain atomic spectra.A theoretical investigation of these phenomena in the context of the Coulomb approximation requires the computation of large numbers of radial quadrupole integrals involving large principal quantum numbers and non-zero quantum defects.The well-known method of Bates and Damgaard breaks down in these circumstances, and alternative methods become unreliable.