We studied the electronic wave packet in a quantized laser field where the electron and the field was treated as a close system.

• 第五章是本文的另一部分内容，我们将激光场看成一量子化的场，电子与场组成一封闭系统，在量子电动力学的框架内研究了电子波包在量子化场中的时间演化。