SEMICONDUCTOR DEVICE PHYSICS AND DESIGN

2.2. PARTICLES IN AN ATTRACTIVE POTENTIAL: BOUND STATES 31

0

1

16 E^1

1

9 E^1

1

4 E^1

E 1 1 s

2 s

3 s

4 s

5 s

= 0

E 1 = –13.6 eV

A SIMPLE NON-

RELATIVISTIC MODEL

FOR THE H-ATOM

Figure 2.1: Allowed energy levels of electrons in a hydrogen atom.