Which mechanism limits electron tunneling rate between quantum dot orbitals within semiconductor devices?

💡 Explanation

When electron tunneling occurs in quantum dots, phonon scattering introduces electron-phonon interactions because lattice vibrations disrupt electron coherence, localising electrons and decreasing the tunneling rate. Therefore, localization limits tunneling rather than blockade, that prevents consecutive tunneling, entanglement, which does not directly limits the rate, or screening, that lowers the barrier.

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