Follow these steps to show that solutions to Kummer's Equation (3.7.46) can be written in terms of

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Follow these steps to show that solutions to Kummer's Equation (3.7.46) can be written in terms of Laguerre polynomials Ln (x ), which are defined according to a generating function asimage

image

where 0

(a) Prove that Ln(0) = n ! and L0(x) = 1.

(b) Differentiate g(x , t) with respect to x, show thatimage

and find the first few Laguerre polynomials.

(c) Differentiate g(x , t) with respect to t and show thatimage

(d) Now show that Kummer's Equation is solved by derivingimage

and associate n with the principal quantum number for the hydrogen atom.

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Related Book For  book-img-for-question

Modern Quantum Mechanics

ISBN: 9780805382914

2nd Edition

Authors: J. J. Sakurai, Jim J. Napolitano

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