The Bohr-Sommerfield quantized rule of the old quantum theory has failed in chaotic motion.
早期量子论的玻尔-索末菲规则对混沌运动失效。
2
For the case of finite temperature, the analytical energy density, entropy density and free energy density are acquired with help of Sommerfield expansion to the Fermi-Dirac integrals.
对于有限温度情形，通过索末菲展开，得到了能量密度、自由能密度以及熵密度的解析公式。
3
The field distributions given by Kirchhoff theory and Rayleigh-Sommerfield theory are studied respectively, and further comparisons with the exact electromagnetic theory are also given.