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b)

Following the procedure in the section ``Counting the modes'' described in the first set of lecture notes, Black Body/Cavity Radiation, show that in this box of side L, the number of energy states with energy less than is given by

and also that, therefore, the number of states per unit volume with energies in the interval is given by


Prof. Tomas Alberto Arias
Thu Oct 12 17:30:59 EDT 1995