Abstract

Polaronic corrections are calculated for a parabolic weak coupling polaron in a single heterostructure. A modified electron-LO-phonon Hamiltonian is applied considering that LO-vibrations from one side of the heterostructure do not penetrate into the other side. The zero temperature case is assumed and screening is included along the lines of the Thomas-Fermi approach. The exact wave functions (Airy functions) are utilized for confining the potential of the triangular form including an infinite barrier at the interface. Comparison with earlier works on the subject is made.

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