Similarly, spectra of weakly trapped molecular excitons are also strongly influenced by adjacent exciton bands.
2.
This resulted in the discovery of the multimode regime in the impurity-exciton bands of disordered systems.
3.
Self-trapping can be achieved only if the energy of this deformation can compete with the width of the exciton band.
4.
As a result, the polarization ratio of an impurity exciton band depends on its spectral position and becomes indicative of the energy spectrum of free excitons.
5.
An incoming particle can excite an electron from the valence band to either the conduction band or the exciton band ( located just below the conduction band and separated from the valence band by an energy gap ).
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