Eq. (2.62) - (2.64) in chapter "the advection-diffusion equation". The first equation in Eq. (2.62) seems wrong, since it doesn't satisfy detailed balance.
In (2.63), I don't understand why d(mu)=-d(delta mu), and I don't know how to derive (2.64) using (2.63).
Eq. (2.62) - (2.64) in chapter "the advection-diffusion equation". The first equation in Eq. (2.62) seems wrong, since it doesn't satisfy detailed balance.
In (2.63), I don't understand why d(mu)=-d(delta mu), and I don't know how to derive (2.64) using (2.63).