[問題] 測不準原理找虛態lifetime
最近上課看到雙光子吸收的地方有講虛態
上面寫delta E是real state-virtual state
然後用測不準找delta t就是lifetime
我不理解的是為何實虛能階的差就是delta E
以前學一直把他當成能量的標準差
但直接實虛相減似乎看不到這個意思
而且在講義後面用此方法算出一虛態的delta t大概是幾fs
就直接說需要fs的雷射才能激發此虛態
這樣是delta t等於雷射脈衝時間又等於lifetime嗎？
麻煩各位了
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