Magnetopolaronic effects in electron transport through a single-level vibrating quantum dot

TL;DR

This paper investigates how a transverse magnetic field influences electron transport in a vibrating quantum dot, revealing a polaronic blockade and unique temperature dependence in the sequential tunneling regime.

Contribution

It introduces the concept of magneto-polaronic effects in quantum dot transport and distinguishes their impact in different tunneling regimes.

Findings

Polaronic blockade occurs at low temperatures in sequential tunneling.

Magnetoconductance shows anomalous temperature dependence.

Resonant tunneling peak conductance remains unaffected by magnetic field.

Abstract

Magneto-polaronic effects are considered in electron transport through a single-level vibrating quantum dot subjected to a transverse (to the current flow) magnetic field. It is shown that the effects are most pronounced in the regime of sequential electron tunneling, where a polaronic blockade of the current at low temperatures and an anomalous temperature dependence of the magnetoconductance are predicted. In contrast, for resonant tunneling of polarons the peak conductance is not affected by the magnetic field.