Solution
= Solution
For a confined system, $\mathcal G(t)$ stays bounded, so its long-time averaged <derivative> is zero. The preceding identities give the <virial theorem>
$$
\boxed{2\langle T\rangle=-\langle V\rangle.}
$$
= Solution
For a confined system, $\mathcal G(t)$ stays bounded, so its long-time averaged <derivative> is zero. The preceding identities give the <virial theorem>
$$
\boxed{2\langle T\rangle=-\langle V\rangle.}
$$