Articles with "diffusion constant" as a keyword



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Determination of the diffusion constant in disordered mesoscopic Au rings from the temperature dependence of the current

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Published in 2017 at "Solid State Communications"

DOI: 10.1016/j.ssc.2017.03.008

Abstract: Abstract A simple calculation to determine the diffusion constant D for electrons in disorder mesoscopic Au rings from the temperature dependence of the current obtained by Chandrasekhar et al. (1991) [1] gives larger D than… read more here.

Keywords: diffusion; temperature dependence; mesoscopic rings; diffusion constant ... See more keywords
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1-Dimensional quantitative micro-architecture mapping of multiple scattering media using backscattering of ultrasound in the near-field: Application to nodule imaging in the lungs

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Published in 2018 at "Applied Physics Letters"

DOI: 10.1063/1.5038005

Abstract: In this letter, we present a near-field method for mapping the micro-architecture of complex media based on the measurement of the diffusion constant D using multiple backscattering of ultrasound waves. Simulation results are reported and… read more here.

Keywords: methodology; diffusion; near field; matrix ... See more keywords
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Analyzing of the diffusion constant on the nano-scale systems by using artificial neural networks

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Published in 2021 at "AIP Advances"

DOI: 10.1063/5.0067795

Abstract: The study concerning nano-scale systems is considered to highly contribute to the developments in the field of nano-technology where many models have been proposed in the literature. The information is carried by molecules in the… read more here.

Keywords: diffusion; using artificial; nano scale; diffusion constant ... See more keywords
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Lower Bounding Diffusion Constant by the Curvature of Drude Weight.

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Published in 2017 at "Physical review letters"

DOI: 10.1103/physrevlett.119.080602

Abstract: We establish a general connection between ballistic and diffusive transport in systems where the ballistic contribution in the canonical ensemble vanishes. A lower bound on the Green-Kubo diffusion constant is derived in terms of the… read more here.

Keywords: drude weight; diffusion; lower bound; diffusion constant ... See more keywords