ρ ˙ = − i ℏ [ H , ρ ] {\displaystyle {\dot {\rho }}=-{\frac {i}{\color {Brown}\hbar }}\left[{H,\rho }\right]}
![{\displaystyle {\dot {\rho }}=-{\frac {i}{\color {Brown}\hbar }}\left[{H,\rho }\right]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/e34748d8bd451cb12bc7ed8dda0ed8e35b94ee8b)