Skip to main content
5 events
when toggle format what by license comment
Oct 7, 2020 at 19:07 comment added Roger V. @WongHarry steady non-equilibrium is not necessarily achieved through the Hamiltonian - e.g., one may impose different chemical potentials or temperatures in parts of the system.
Oct 7, 2020 at 17:17 comment added Wong Harry Do you mean that in order to describe a system that can achieve equilibrium, you actually need more terms in the initial Hamiltonian? So by using a simple Hamiltonian itself already make an assumption that the system does not know how to achieve detailed balance?
Oct 7, 2020 at 16:49 comment added Roger V. @hyportnex the point that I make in my answer is that it is an implicit approximation, as opposed to the explicit ones made in mathematical derivations. Have you ever worked on non-equilibrium problems?
Oct 7, 2020 at 15:25 comment added hyportnex I fail to see how "...steady state is an approximation that is made even before we write the equations describing our system..., etc." is any different from any other problem we solve in physics or in sciences in general. After all, in a long enough time scale we are all dead.
Oct 7, 2020 at 12:18 history answered Roger V. CC BY-SA 4.0