Apply the result of obtain a formula for the standard
Chapter 6, Problem 19P(choose chapter or problem)
Problem 19P
Apply the result of Problem to obtain a formula for the standard deviation of the energy of a system of N identical harmonic oscillators (such as in an Einstein solid), in the high-temperature limit. Divide by the average energy to obtain a measure of the fractional fluctuation in energy. Evaluate this fraction numerically for N = 1, 104 , and 1020. Discuss the results briefly.
Problem:
Prove that, for any system in equilibrium with a reservoir at temperature T, the average value of E2 is
Then use this result and the results of the previous two problems to derive a formula for σE in terms of the heat capacity, You should find
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