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Interface Phonons and Polaron Effect in Quantum Wires

A Yu Maslov* and OV Proshina

Author affiliations

Ioffe Physical-Technical Institute of the Russian Academy of Sciences, Saint Petersburg, Russia

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Citation and License

Nanoscale Research Letters 2010, 5:1744-1748  doi:10.1007/s11671-010-9704-0

Published: 11 August 2010


The theory of large radius polaron in the quantum wire is developed. The interaction of charge particles with interface optical phonons as well as with optical phonons localized in the quantum wire is taken into account. The interface phonon contribution is shown to be dominant for narrow quantum wires. The wave functions and polaron binding energy are found. It is determined that polaron binding energy depends on the electron mass inside the wire and on the polarization properties of the barrier material.

Quantum wire; Electron–phonon interaction; Interface phonons; Polaron