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带乘性噪声的空间分数阶随机非线性Schrödinger方程的广义多辛算法

本站小编 Free考研考试/2021-12-27

刘子源, 梁家瑞, 钱旭, 宋松和
国防科技大学数学系, 长沙 410073
收稿日期:2019-05-10出版日期:2019-12-15发布日期:2019-11-16


基金资助:国家自然科学基金(11571366),湖南省自然科学基金(S2017JJQNJJ0764)和国防科技大学科研计划项目(ZK17-03-27)资助项目.


A GENERALIZED MULTI-SYMPLECTIC METHOD FOR STOCHASTIC SPACE-FRACTIONAL NONLINEAR SCHRÖDINGER EQUATION WITH MULTIPLICATIVE NOISE

Liu Ziyuan, Liang Jiarui, Qian Xu, Song Songhe
Department of mathematics, National University of Defense Technology, Changsha 410073, China
Received:2019-05-10Online:2019-12-15Published:2019-11-16







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带乘性噪声的空间分数阶随机非线性Schrödinger方程是一类重要的方程,可应用于描述开放非局部量子系统的演化过程.该方程为一个无穷维分数阶随机Hamilton系统,且具有广义多辛结构和质量守恒的性质.针对该方程的广义多辛形式,在空间上采用拟谱方法离散分数阶微分算子,在时间上则采用隐式中点格式,构造出一类保持全局质量的广义多辛格式.对行波解和平面波解等进行数值模拟,结果验证了所构造格式的有效性和保结构性质,时间均方收敛阶约在0.5到1之间.
MR(2010)主题分类:
60H35
37K05

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