quasiconserved
The term quasiconserved is used in physics and other scientific fields to describe quantities that are not strictly conserved but change only very slowly or to a very small extent over long periods. This concept arises in systems where exact conservation laws might be violated by small perturbations or approximations.
In Hamiltonian mechanics, a quantity is strictly conserved if its Poisson bracket with the Hamiltonian of the
The notion of quasiconservation is particularly relevant in the study of nearly integrable systems. These are
Another context where quasiconservation appears is in statistical mechanics and thermodynamics, especially when dealing with systems