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arXiv · 2110.05252

Fluid descriptions of quantum plasmas

Giovanni Manfredi·Paul-Antoine Hervieux·Jérôme Hurst
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Abstract

Quantum fluid (or hydrodynamic) models provide an attractive alternative for the modeling and simulation of the electron dynamics in nano-scale objects. Compared to more standard approaches, such as density functional theory or phase-space methods based on Wigner functions, fluid models require the solution of a small number of equations in ordinary space, implying a lesser computational cost. They are therefore well suited to study systems composed of a very large number of particles, such as large metallic nano-objects. They can be generalized to include the spin degrees of freedom, as well as semirelativistic effects such as the spin-orbit coupling. Here, we review the basic properties, advantages and limitations of quantum fluid models, and provide some examples of their applications.

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Giovanni Manfredi, Paul-Antoine Hervieux, Jérôme Hurst. 2021-10-11. Fluid descriptions of quantum plasmas. https://arxiv.org/abs/2110.05252

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