Production and decay of exciton liquid-phase embryos in germanium under conditions of nonuniform strain
Ashkinadze B.M., Fishman I.M.
Excitons are usually condensed in Ge in the form of drops that can grow to dimensions on the order of several microns. These drops are in stable equilibrium with the excitons [on the ascending branch of n(r), see R. N. Silver, Phys. Rev. Bll, 1569 (1975); V. S. Bagaev, Ν. V. Zamkovets, L. V. Keldysh, N. N. Sibel'din, and V. A. Tsvetkov, Soviet Phys. JETP 43, 783 (1976)].
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