Excitons in a crystal with a superionic transition
Akopyan I. Kh., Monov A. E., Novikov B. V.
Indirect excitons are observed for the first time in the γ and β phases of the RbAg4I5 crystal. Estimates are given for the energies of formation of direct and indirect excitons in the γ phase. A study is made of the behavior of the excitons at the transition of the crystal to a disordered state.