2-1 (1)(2)假设A下滑 gcos660°-ta=ma t -m-30°=mb 得a mAgcosMBgcoS360-30° +m =-0.12m/s2 系统 =TB ma+mB 将向右边运动

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• Why polar molecules • Polar molecules in a 3D optical lattice • Spin exchange interactions with polar molecules • Increasing the lattice filling

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显然,a不是厄米算符,a≠a。但ata是厄米算符,(ata)=a'a。 问题:aa是什么力学量? [a=0,∴与i共同本征态,只要求解了首的本征方程,就求解了 的本征方程

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The kinetic energy of a rotating system looks similar to that of a

solator: Definition An isolator is a device that allows light to pass along a fibre in one direction but not in the opposite direction