Spectra: line mixing explanation?

  1. Hi

    Can anyone point me to a clear description of line mixing/"cross-relaxation" in atomic/molecular spectra?

    Every paper I read assumes some previous knowledge, is there an online resource that will explain why two transition would mix? I'm specifically looking for conceptual explanation and conditions for this phenomenon to occur.

  2. jcsd
  3. can I bump this?
  4. DrDu

    DrDu 4,513
    Science Advisor

  5. That looks similar to what I'm thinking of. In general I want to model a spectrum as the addition of individual transition shapes, i.e. I'm treating each line as an independent contributor to the overall spectrum. I'm looking for any phenomenon which will make this model inaccurate, like any type of interference between lines.

    I'll have a read around Fermi resonances because the CO2 example seems quite relevant. Thanks!
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