Structure and dynamics in the microcosm are inherently connected by the laws of quantum mechanics. Take, for example, a particle put in a superposition of its ground state 0 x of energy W 0 and the first excited state 1 x of energy W 1 . Such a superposition state is referred to as a wave packet. Change in the position of its center of mass is the closest quantum mechanical ana-log of classical motion. Solution of the Schrödinger equation for the particle’s wave function x yields an oscillatory motion with the oscillation period T osc =2 / W , where W = W 1 − W 0 . The larger the energy separation W between the two eigenstates, the faster is the particle’s motion in the superposition state. would you please explain why?