題組內容

2. (30%) Consider a finite quantum well in Fig. 1 with the potential energy of 61de76097f483.jpg, where V0＞0. Please answer the following questions:

(c) (14%) By dividing Eq. (1) by Eq. (3) and dividing Eq. (2) by Eq. (4), please show that
  61de76e81f29f.jpg
Then plot tan61de771cbbfe6.jpgvs.x Also show that there always exists at least one quantum subband in this finite quantum well. tan()=