Calculating the Energy Spectrum of Complex Low-Dimensional Heterostructures in the Electric Field

Table 1

Energy spectrum (first three values) for a square well.

	Zero E-field	Field 𝑞𝐹=0.1		Field 𝑞𝐹=2
		Perturbations method	Matching method	Perturbations method	Matching method
𝐸1	0.938357	1.037995	0.937895	2.755581	0.761992
𝐸2	3.753428	3.853667	3.753566	5.810891	3.809982
𝐸3	8.445214	8.545637	8.445296	10.576528	8.494495