Liu, K.C.; Lee, Y.C. - In: Physica A: Statistical Mechanics and its Applications 102 (1980) 1, pp. 131-144
The radiative decay of the Wannier exciton in thin crystal films is studied by the method of Heitler and Ma in the resonance approximation. It is shown that, while the broken crystal symmetry opens up the possibility of radiative decay, the correlation brought about by the interaction of the...