D Multi-Phonon Emission

Appendix D
Multi-Phonon Emission

Based on Chapter 8.3 the forward and reverse barriers of the radiative multi-phonon emission (MPE) and the non-radiative multi-phonon (NMP) model will be deduced from the harmonic oscillator of the form

V1(q) = 1M ω2(q − q1)2 + E1 (D.1 ) 2 1 V (q) = 1M ω2(q − q )2 + E , (D.2 ) 2 2 2 2 2

where $E1$ and $E2$ denote the defect states in thermal equilibrium at $V1(q1)$ and $V2(q2)$ . The vibronic frequencies $ω1$ and $ω2$ set the curvature of the harmonic potentials.

D.1 Radiative Multi-Phonon Emission
D.2 Non-Radiative Multi-Phonon Process

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Appendix DMulti-Phonon Emission

Appendix D
Multi-Phonon Emission