Quantum-classical correspondence and mechanical analysis of a classical-quantum chaotic system
Bi Haiyun1, 3, Qi Guoyuan2, †, Hu Jianbing1, Wu Qiliang4
       

System containing only the inertial force term, (a) 3D view of 〈x1x2x3⟩. Time series of (b) the Hamiltonian energy 〈H1⟩, (c) the Casimir energy, and (d) the Casimir power.