Recent content by ntt

Thank you very much for your reply. Your reply lead my reading to Fermi's Golden rule which is what I was looking for.

Since my major is not physics. My QM knowledge is not pretty good (Mostly self study). I am sorry if this question was asked multiple times in the forum. I've learned that wavefunction can be written as a linear combination of eigenfunctions due to completeness property. If an electron is...