Temperature dependent nonequilibrium magneto-transport in a correlated polar single molecular transistor with quantum dissipation

Quantum magneto-transport in a dissipative single molecular transistor is investigated at finite temperature in the presence of electron correlation and electron–phonon interaction within the framework of the Anderson–Holstein–Caldeira–Leggett Hamiltonian. The electron–phonon interaction and dissipa...

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Bibliographic Details
Published in:Journal of applied physics 2022-11, Vol.132 (19)
Main Authors: Bhattacharyya, Kuntal, Kalla, Manasa, Chatterjee, Ashok
Format: Article
Language:English
Subjects:
Applied physics
Correlation
Dissipation
Electron phonon interactions
Phonons
Polarization (spin alignment)
Semiconductor devices
Temperature dependence
Transformations (mathematics)
Transistors
Transport properties
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Summary:Quantum magneto-transport in a dissipative single molecular transistor is investigated at finite temperature in the presence of electron correlation and electron–phonon interaction within the framework of the Anderson–Holstein–Caldeira–Leggett Hamiltonian. The electron–phonon interaction and dissipation are dealt with by canonical transformations and the Coulomb correlation is treated at the mean-field level. The transport properties such as spectral function, tunneling current, differential conductance, and spin polarization are determined using the Keldysh method.
ISSN:0021-8979
1089-7550
DOI:10.1063/5.0124637