I copied my question to this community as the advice of a user on Physics SE
MD simulations are always associated with a temperature that represents the natural state of a system.
However, some techniques, like Simulated Annealing Molecular Dynamics where temperature fluctuates up and down to allow the system to escape local minima, use a non-constant temperature.
In such a case, how is this applied to the system?
I found a very closely related question, but the answer goes beyond my knowledge. If I am looking at Langevin dynamics, is it accurate to say that the temperature is being applied primarily as an increase in particle acceleration?