Homework Statement
Statistical Mechanics by Pathria. Problem 3.1
Homework Equations
(1)
<(△nr)2>=<nr2>-<nr>2=(wrd/dwr)(wrd/dwr)lnΓ, for all wr=1
How to derive above equation from these equations?
<nr>=wrd/dwr(lnΓ), for all wr=1
<nr2>=(1/Γ)(wrd/dwr)(wrd/dwr)Γ, for all wr=1
(2)
Also, if you...