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Homework Statement:

I am trying to understand how to compute the surface an Nsphere , for large N, to leading order (and exactly)
Given a vector J with norm N, with N large, how does one compute the volume integral ? That is, what representation of the delta function. And what is the exact result ?
Relevant Equations:
 various delta function representations
Problem Statement: I am trying to understand how to compute the surface an Nsphere , for large N, to leading order (and exactly)
Given a vector J with norm N, with N large, how does one compute the volume integral ? That is, what representation of the delta function. And what is the exact result ?
Relevant Equations: various delta function representations
.
Given a vector J with norm N, with N large, how does one compute the volume integral ? That is, what representation of the delta function. And what is the exact result ?
Relevant Equations: various delta function representations
.