The quantization condition is that the average lyapunov exponents show local minima as a function of the classical energy . this emphasizes that the quantized levels request the least global chaoticity 這一觀點(diǎn)強(qiáng)調(diào)了體系的量子能級(jí)具有整體的最小混沌程度,是從混沌的角度來研究量子化問題的。