Application of the Asymptotic Taylor Expansion Method to Bistable Potentials

Table 3

Comparison of energy eigenvalues of the potential in (20). For ATEM results, number of iterations is set to 𝑚=120.

𝐸ATEM	𝐸VSQM [43]	𝐸SDD [45]	𝐸Exact [43]
0	0	0	0
0.4229446	0.4238512	0.4229446	0.4229511
2.314913	2.319117	2.314913	2.314925
4.503779	4.571588	4.503779	4.503822
7.175475	7.101165	7.175475	7.175509
10.27788	9.861245	10.27789	10.27797
13.75855	12.82074	13.75855	13.75861
17.58421	15.95720	17.58420	17.58434
21.72951	19.25351	21.72942	21.72951
26.17305	22.69614	26.17370	26.17391