?The treatment in P15C.4 applies only to one-dimensional solids. In three dimensions
Chapter 15, Problem P15C.5(choose chapter or problem)
The treatment in Problem P15C.4 applies only to one-dimensional solids. In three dimensions, the variation of density of states is more like that shown in Fig. 15.1. Account for the fact that in a three-dimensional solid the greatest density of states is near the centre of the band and the lowest density is at the edges.
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