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一类可逆系统的Aubry-Mather集
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作者 汪小明 谭海女 《应用数学》 CSCD 北大核心 2011年第2期209-214,共6页
本文利用推广的Aubry-Mather定理,获得了一类二阶可逆微分方程Aubry-Mather集存在的充分性条件.
关键词 可逆系统 aubry Mather集 无扭周期解
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Aubry模型和Soukoulis-Economou模型电子态局域性质的区别
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作者 杨富民 孙金祚 《固体电子学研究与进展》 CAS CSCD 北大核心 1994年第4期357-362,共6页
Aubry模型和Soukoulis-Economou模型是一维无公度系统的两个重要模型,它们都存在扩展态和局域态两种本征态。本文用数值结果表明,两种模型的局域态局域方式不同,前者局域态的波函数局域在系统的一个小范围内... Aubry模型和Soukoulis-Economou模型是一维无公度系统的两个重要模型,它们都存在扩展态和局域态两种本征态。本文用数值结果表明,两种模型的局域态局域方式不同,前者局域态的波函数局域在系统的一个小范围内,后者局域态的波函数呈梳状分散地局域在系统的许多小区域。这一结果对于进一步研究Aubry模型和Soukoulis-Economou模型有重要意义。 展开更多
关键词 aubry模型 S-D模型 电子态 局域性质
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Absorb the Imagination of Consumers Issues of the Chinese mode deal with global brands Article 1 A chronicle of Aubry Marty
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《China Textile》 2008年第2期52-55,共4页
The Chinese masters of the seventeenth century inspire luxury brand Chanel Some brands like Chanel continually put on the market products that carry an element of dream: an
关键词 Absorb the Imagination of Consumers Issues of the Chinese mode deal with global brands Article 1 A chronicle of aubry Marty MODE
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Mobility edges in one-dimensional finite-sized models with large quasi-periodic disorders
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作者 汤起芸 贺言 《Chinese Physics B》 SCIE EI CAS CSCD 2023年第12期500-508,共9页
We study the one-dimensional tight-binding model with quasi-periodic disorders,where the quasi-period is tuned to be large compared to the system size.It is found that this type of model with large quasi-periodic diso... We study the one-dimensional tight-binding model with quasi-periodic disorders,where the quasi-period is tuned to be large compared to the system size.It is found that this type of model with large quasi-periodic disorders can also support the mobility edges,which is very similar to the models with slowly varying quasi-periodic disorders.The energy-matching method is employed to determine the locations of mobility edges in both types of models.These results of mobility edges are verified by numerical calculations in various examples.We also provide qualitative arguments to support the fact that large quasi-periodic disorders will lead to the existence of mobility edges. 展开更多
关键词 quasi-periodic disorders mobility edges aubry–Andre model
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