Abstract
A theory for the processes involved in the formation of vibronic self-trapped Frenkel exciton states in very soft condensed matter is presented. Such soft condensed matter can be found near the earth surface during wet seasons as a combination of gases and water vapour. The condensed system can be excited by thunderstorms to form Frenkel excitons, which subsequently relax to self-trapped, vibronic and paired exciton states by releasing the excess energy non-radiatively in the environment. The radiative recombination from such lowered excited energy state of Frenkel excitons may give rise to a red to yellow photoluminescence as observed in ball lightning.
| Original language | English |
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| Pages (from-to) | 255-262 |
| Number of pages | 8 |
| Journal | Nonlinear Optics Quantum Optics |
| Volume | 35 |
| Issue number | 4 |
| Publication status | Published - 2006 |