arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2202.07573math.AP
收藏

粘性量子流体力学中驻波和行波的存在性

Existence of standing and traveling waves in quantum hydrodynamics with viscosity

Delyan Zhelyazov

摘要:

证明了具有线性和非线性粘性的两个量子流体力学系统驻波的存在性。此外,由于适当的李雅普诺夫函数,在不限制粘性和色散参数的情况下,证明了前者行波的全局存在性。这是相对于\cite{LMZ2020}中的全局存在结果的改进,其中要求粘度足够强。

英文摘要:

We prove existence of standing waves for two quantum hydrodynamics systems with linear and nonlinear viscosity. Moreover, global existence of traveling waves is proved for the former without restrictions on the viscosity and dispersion parameters, thanks to a suitable Lyapunov function. This is an improvement with respect to the global existence result in \cite{LMZ2020}, where it was required that the viscosity is sufficiently strong.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑