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Equilibrium and non-equilibrium electron tunneling via discrete quantum states

Mandar M. Deshmukh·Edgar Bonet·A. N. Pasupathy·D. C. Ralph
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Abstract

Tunneling is measured via the quantum levels of a metal nanoparticle. We analyze quantitatively the resonance energies, widths, and amplitudes, both in the regime where only one state is accessible for tunneling and in the non-equilibrium regime when additional states are made accessible one-by-one. For tunneling through one state, our results agree with expectations for sequential tunneling, but in the non-equilibrium regime the resonances are broadened and shifted in ways that require taking into account electron interactions and relaxation.

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Mandar M. Deshmukh, Edgar Bonet, A. N. Pasupathy, D. C. Ralph. 2001-06-01. Equilibrium and non-equilibrium electron tunneling via discrete quantum states. https://doi.org/10.1103/physrevb.65.073301

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