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Unformatted text preview: independent of and , we shall have to integrate over these variables. Here a geometric picture comes in handy. For each value of , the allowed values of range over the surface of a sphere of radius . The area of such a sphere is . Thus the integration over can be reduced to (11.11) Especially, the normalisation condition translates to...
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 Fall '10
 DavidJudd
 Physics

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