title: Competition of static magnetic and dynamic photon forces in electronic transport through a quantum dot.
abstract: We investigate theoretically the balance of the static magnetic and the dynamical photon forces in the electron transport through a quantum dot in a photon cavity with a single photon mode. The quantum dot system is connected to external leads and the total system is exposed to a static perpendicular magnetic field. We explore the transport characteristics through the system by tuning the ratio, [Formula: see text], between the photon energy, [Formula: see text], and the cyclotron energy, [Formula: see text]. Enhancement in the electron transport with increasing electron-photon coupling is observed when [Formula: see text]. In this case the photon field dominates and stretches the electron charge distribution in the quantum dot, extending it towards the contact area for the leads. Suppression in the electron transport is found when [Formula: see text], as the external magnetic field causes circular confinement of the charge density around the dot.
authors.affiliation: Physics Department, Faculty of Science and Science Education, School of Science, University of Sulaimani, Kurdistan Region, Iraq. Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavik, Iceland.
authors.forename: Nzar
authors.initials: N
authors.lastname: Rauf Abdullah
authors.forename: Chi-Shung
authors.initials: CS
authors.lastname: Tang
authors.forename: Andrei
authors.initials: A
authors.lastname: Manolescu
authors.forename: Vidar
authors.initials: V
authors.lastname: Gudmundsson