Abstract
Quantum effects on the electron-phonon interaction under high electric fields are investigated by a fully quantum mechanical method in the real space representation, in which electric fields are included in the unperturbed Hamiltonian and the electron-phonon interactions are incorporated through the perturbation scheme. The intracollisional field effect and the interference effect associated with the wave character of electron under high electric fields are investigated. It is explicitly shown that the intracollisional field effect becomes significant when the electric field is above tens of kV cm-1 and that the interference effect is reduced as the electric field becomes greater.
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