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Numerical Simulation of Non-Equilibrium Stationary Currents Through Nano-scale One-Dimensional Chains

Title
Numerical Simulation of Non-Equilibrium Stationary Currents Through Nano-scale One-Dimensional Chains
Type
Article in International Scientific Journal
Year
2020
Authors
dos Santos Pires, JP
(Author)
FCUP
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Amorim, B
(Author)
Other
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Viana Parente Lopes, JM
(Author)
FCUP
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Journal
ISSN: 2101-6275
Publisher: EDP Sciences
Other information
Authenticus ID: P-00S-0NZ
Abstract (EN): <jats:p>Using a method based on the time-evolution of the occupied states at zero temperature, we observe the onset of a quasi-uniform and quasisteady state current across a disordered tight-binding chain, coupled between two finite (but large) clean leads with open boundaries. This current is seen to match the one obtained in the Landauer-Büttiker formalism and is also independent of the initial condition considered (partitioned or non-partitioned). Finite-size effects are also reported and briefly discussed.</jats:p>
Language: English
Type (Professor's evaluation): Scientific
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