High Quality Content by WIKIPEDIA articles! In quantum mechanics, quantum characteristics are phase-space trajectories that arise in the deformation quantization through the Weyl-Wigner transform of Heisenberg operators of canonical coordinates and momenta. These trajectories obey the Hamilton’s equations in quantum form and play the role of characteristics in terms of which time- dependent Weyl's symbols of quantum operators can be expressed. In classical limit, quantum characteristics turn to classical trajectories. The knowledge of quantum characteristics is equivalent to the knowledge of quantum dynamics.

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