Slave boson theory for transport through magnetic molecules with vibronic states

Abstract

We study the electron transport through a magnetic molecular transistor in the Kondo limit using the slave boson technique. We include the electron-phonon coupling and analyze the cases where the spin of the molecule is either S=1/2 or S=1. We use the Schrieffer-Wolff transformation to write down a low energy Hamiltonian for the system. In the presence of electron-phonon coupling, and for $S\smeq1$, the resulting Kondo Hamiltonian has two active channels. At low temperature, these two channels interfere destructively, leading to a zero conductance.

arXiv comment7 pages, 4 figures, to be published in PRB

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Cited by in corpus (10)

• Spin-bias driven magnetization reversal and nondestructive detection in a single molecular magnet
• Nonequilibrium transport through magnetic vibrating molecules
• Phonon-assisted tunneling and two-channel Kondo physics in molecular junctions
• Spatiotemporal evolution of polaronic states in finite quantum systems
• Kondo effect and channel mixing in oscillating molecules
• Localized polarons and doorway vibrons in finite quantum structures
• Phonon affected transport through molecular quantum dots
• Quantum phase transitions in a charge-coupled Bose-Fermi Anderson model
• Effects of electron-phonon coupling in the Kondo regime of a two-orbital molecule
• Electron-phonon interaction and electronic correlations in transport through electrostatically and tunnel coupled quantum dots