Kinetic behavior of subsonic solitary wave in graphene nanoribbon
Chen, JG; Qi, WP; Zhang, M; Zhao, H; Chen, JG (reprint author), Chinese Acad Sci, Div Interfacial Water, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2015
发表期刊JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT
ISSN1742-5468
页码
文章类型期刊文献
摘要In this paper we investigate the kinetic behavior of subsonic solitary waves in graphene nanoribbons by means of molecular dynamics simulations. Unlike generating the supersonic solitary waves by a strong excitation, we generate three types of subsonic solitary waves by absorbing the thermal fluctuations in the armchair and zigzag graphene nanoribbons. They are localized in longitudinal, transverse, or coupled in both velocity directions with propagation speeds lower than the sound speeds. Their typical width is about 20-80 nm, which is much longer than the width of the supersonic solitary wave. More interestingly, they correspond to energy cavities rather than energy summits in the energy distribution due to the deformation in the density distribution. The observation of subsonic solitary waves with energy cavities implies the numerical evidence of dark solitary waves in graphene. Furthermore, the collisions between two solitary waves are investigated. The nonlinear phase shift only occurs during the collision of two solitary waves localized in the same velocity direction. We hope our results shed light on understanding the particular nonlinear properties of graphene.
关键词Acoustic Solitons Dynamics Hydrocarbons
语种英语
WOS记录号WOS:000357407300009
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/24979
专题中科院上海应用物理研究所2011-2018年
通讯作者Chen, JG (reprint author), Chinese Acad Sci, Div Interfacial Water, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
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Chen, JG,Qi, WP,Zhang, M,et al. Kinetic behavior of subsonic solitary wave in graphene nanoribbon[J]. JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT,2015:—.
APA Chen, JG,Qi, WP,Zhang, M,Zhao, H,&Chen, JG .(2015).Kinetic behavior of subsonic solitary wave in graphene nanoribbon.JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT,—.
MLA Chen, JG,et al."Kinetic behavior of subsonic solitary wave in graphene nanoribbon".JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT (2015):—.
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