Uniqueness of solutions of the Derrida-Lebowitz-Speer-Spohn equation and quantum drift-diffusion models

J Fischer - Communications in Partial Differential Equations, 2013 - Taylor & Francis
We prove uniqueness of solutions of the DLSS equation in a class of sufficiently regular
functions. The global weak solutions of the DLSS equation constructed by Jüngel and …

Quantum semiconductor models

L Chen, M Dreher - Partial differential equations and spectral theory, 2011 - Springer
We give an overview of analytic investigations of quantum semiconductor models, where we
focus our attention on two classes of models: quantum drift diffusion models, and quantum …

The global existence and semiclassical limit of weak solutions to multidimensional quantum drift-diffusion model

X Chen - Advanced Nonlinear Studies, 2007 - degruyter.com
We establish the global weak solutions to quantum drift-diffusion model, a fourth order
parabolic system, in two or there space dimensions with large initial value and periodic …

Infinite speed of support propagation for the Derrida–Lebowitz–Speer–Spohn equation and quantum drift–diffusion models

J Fischer - Nonlinear Differential Equations and Applications …, 2014 - Springer
We show that weak solutions of the Derrida–Lebowitz–Speer–Spohn (DLSS) equation
display infinite speed of support propagation. We apply our method to the case of the …

[HTML][HTML] Classical solutions to the one-dimensional stationary quantum drift–diffusion model

J Dong - Journal of Mathematical Analysis and Applications, 2013 - Elsevier
The existence of classical solutions to the one-dimensional stationary quantum drift–
diffusion model for semiconductor devices is investigated. The proof is based on an …

Existence of global attractor for the one-dimensional bipolar quantum drift-diffusion model

Y Liu, W Sun, Y Li - Wuhan University Journal of Natural Sciences, 2017 - Springer
In this paper, we investigate a one-dimensional bipolar quantum drift-diffusion model from
semiconductor devices. We mainly show the long-time behavior of solutions to the one …

[HTML][HTML] 一维半导体量子能量输运模型稳态解的唯一性

董建伟, 张又林, 程少华 - 数学杂志, 2015 - sxzz.whu.edu.cn
一维半导体量子能量输运模型稳态解的唯一性 数学杂志 2015, Vol. 35 Issue (5): 1245-1251
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Formal derivation of quantum drift-diffusion equations with spin-orbit interaction

L Barletti, P Holzinger, A Jüngel - arXiv preprint arXiv:2109.09616, 2021 - arxiv.org
Quantum drift-diffusion equations for a two-dimensional electron gas with spin-orbit
interactions of Rashba type are formally derived from a collisional Wigner equation. The …

[HTML][HTML] Large time behavior of solution to the three-dimensional quantum bipolar drift-diffusion model from semiconductors

F Liu, Y Li - Journal of Mathematical Analysis and Applications, 2020 - Elsevier
In this study, we consider the three-dimensional quantum bipolar drift-diffusion model arising
from the semiconductor device simulation, which consists of the coupled nonlinear fourth …

Asymptotic Behavior of Solutions of the Bipolar Quantum Drift-Diffusion Model in the Quarter Plane

F Liu, Y Li - Wuhan University Journal of Natural Sciences, 2019 - Springer
In this study, we consider the one-dimensional bipolar quantum drift-diffusion model, which
consists of the coupled nonlinear fourth-order parabolic equation and the electric field …