0
votes
1answer
216 views

Expressions for canonical partition function and probabilities $p(E_i)$

Given an atom with 4 allowed states corresponding to the energy levels $E_1 = 0$, $E_2 = E$, and $E_3 = 2E$ with degeneracies 1, 1, and 2 respectively. How do I find the expressions for the ...
0
votes
2answers
58 views

What is the minimal set of expectation values I need in a statistical model?

At least if $\vec v$ is really only a one dimensional parameter, measuring all the moments $\langle v^n \rangle_f$ seems to give me all the information to compute $\langle A \rangle_f$ with $A(v)$ ...