n

${\tilde{\epsilon }}_n$ (WM)

${\tilde{\epsilon }}_n$ (FM)

$\frac{2}{k{\rho }^2}\left({\tilde{\epsilon }}_n-{\tilde{\epsilon }}_0\right)$ (FM)

Ref. [8]

0

−643.845703

−643.84571

0

0

1

−643.83502

−643.83499

0.742728866

0.83

2

−630.4740

−630.47403

926.9789526

935

3

−630.041077

−630.04109

956.9925447

961