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excitation energy

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excitation energy [‚ek‚sī′tā·shən ‚en·ər·jē]
(quantum mechanics)
The minimum energy required to change a system from its ground state to a particular excited state.


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[FIGURE 6 OMITTED] Therefore in the presence of relative energy levels due to complexation, the photo-induced charge transfer or excitation energy transfer may become the predominant process.
In a new experiment, Greg Engel and his colleagues found that groups of chlorophyll molecules spend a surprisingly long time in a so-called superposition of states--a quantum phenomenon in which many molecules share excitation energy and so are simultaneously excited and relaxed.
The PWB cross sections are calculated from uncorrelated wave functions, and the scaling requires only the binding energy B of the bound electron that is excited, the excitation energy E, and an accurate dipole oscillator strength f for the transition.
 
 
 
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