Quantum Transport from the Perspective of Quantum Open Systems

Details Quantum Transport from the Perspective of Quantum Open Systems Quantum Transport from the Perspective of Quantum Open Systems

2005-06-20

arxiv.org/abs/cond-mat/0506477v3

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 2 figures; the TDDFT scheme is explained in more detail in this new version

Scientific paper

10.1016/j.physleta.2006.04.075

By viewing the non-equilibrium transport setup as a quantum open system, we propose a reduced-density-matrix based quantum transport formalism. At the level of self-consistent Born approximation, it can precisely account for the correlation between tunneling and the system internal many-body interaction, leading to certain novel behavior such as the non-equilibrium Kondo effect. It also opens a new way to construct time-dependent density functional theory for transport through large-scale complex systems.

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