
http://www.fxkz.net/viewthread.php?tid=4664&extra=page%3D1

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原子总是要吸收和补充能量,而光是带能量的,所以原子要吸收光(说复杂一点,就是这个世界基本上所有的物理量都存在一个最小的数值,叫做
-marketreflections-
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06/07/2010 postreply
09:00:32
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从原子物理的观点来看,共振吸收是因原子由基态到低激发态的跃迁而产生的。量子力学的计算表明,这种跃迁的概率系数比其他跃迁的概率系数
-marketreflections-
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06/07/2010 postreply
09:24:26
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正则系统,哈密顿(总能量)表达为总动能+总势能,前者是广义动量的平方项之和,后者是广义坐标的平方项之和以及另外的势能的总和
-marketreflections-
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06/07/2010 postreply
15:26:54
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