姓名：刘 冲
性别：男
部门：物理学系
职称：副教授/副研究员
荣誉：西北大学青年学术英才
邮箱：nwudavid@163.com
研究方向：非线性物理，非线性光学，调制不稳定性，局域波激发性质和机制
刘冲，博士，硕士生导师，澳洲国立大学光学科学组访问****。
主要从事非线性物理和非线性光学方面研究工作，在具有重要影响力的学术刊物（Optics Letters,Physcal Review系列, Chaos等）上共发表SCI论文多篇（详见http://www.researcherid.com/rid/A-6439-2018）。
主要发现：
1 首次报道了Peregrine rogue wave和W型孤子的态转换，开启了不同局域波相变的研究方向
Physical Review E, **(2015)
2 首次给出具有一般性的Super-regular breather和调制不稳定的精确对应关系，揭示其本质
Chaos,28,083110 (2018)

基金项目
（1）国家自然科学基金青年项目，**，在研，主持
（2）国家自然科学基金国际(地区)合作与交流项目，，结题，主持
（3）陕西省教育厅专项科学研究计划, 17JK0767, 在研，主持
（4）陕西省自然科学基础研究计划, 2018JQ1003, 在研，主持

代表性研究成果


(2019)
(2)Chong Liu,and Nail Akhmediev,Super-regular breathers in nonlinear systems with self-steepening effect, Physical Review E100, 062201(2019).

(1)Chong Liu,Zhan-Ying Yang,Wen-Li Yang, and Nail Akhmediev,Chess-Board-Like Spatio-Temporal Interference Patterns and Their Excitation, JOSA B, 36,1294 (2019).

(2018)

(4) Yang Ren,Chong Liu*,Zhan-Ying Yang*, andPolariton superregular breathers in a resonant erbium-doped fiber，Physical Review E 98, 062223 (2018).Despite the complexity, the exact link between these super-regular breathers andMI is established strictly.
（3）Chong Liu,Zhan-Ying Yang,Wen-Li Yang, and Nail Akhmediev,Chess-Board-Like Spatio-Temporal Interference Patterns and Their Excitation,arXiv:1810.03232v1.New type of interference pattens has been obtained, which can be observed in many nonlinear systems.
(2)Chong Liu*,Zhan-Ying Yang*,and Wen-Li Yang*,Growth rate of modulation instability driven by superregular breathers,Chaos,28,083110 (2018) (arXiv:1807.09399).The challenging problem---how to establish a general exact link between SR breathers and MI---is what we address in this work.
(1) Yang Ren, Xin Wang, Chong Liu*,Zhan-Ying Yang*, and Wen-Li Yang, Characteristics of fundamental and superregular modes in a multiple self-induced transparency system, Communications in Nonlinear Science and Numerical Simulation 63, 161 (2018). The frist study of superregular breathers in any coupled physical system.
(2017)
(2)Jian-Hui Zhang, LeiWang*, andChong Liu*，Superregular breathers, characteristics of nonlinear stage of modulation instability induced by higher-order effects，Proc. R. Soc. A，2017, 473: **.Highly-cited paper
(1)Chong Liu*, Yang Ren, Zhan-Ying Yang* and Wen-Li Yang，Superregular breathers in a complex modified Korteweg-de Vries system，27(8):083120.The frist revelation of dynamics of non-amplifying localized small pertubations in nonlinear physical systems.
(2016)
(2)ChongLiu*,Zhan-YingYang*, Li-ChenZhao,Liang Duan, Guangye Yang and Wen-LiYang, Symmetric and asymmetric optical multi-peak solitons on a continuous wave background in the femtosecond regime,Physical Review E, 2016, 94.042221.The first work to reveal the properties ofsymmetric and asymmetric multi-peak solitons in nonlinear physics.
(1) Yang Ren, Zhan-Ying Yang*,Chong Liu*,Wen-Hao Xu, and Wen-Li Yang, Characteristics of optical multi-peak solitons induced by higher-order effects in an erbium-doped fiber system,The European Physical Journal D, 2016, 70(9): 187.
(2015)
(1)ChongLiu, Zhan-YingYang*, Li-ChenZhao*,and Wen-Li Yang, State transition inducedby higher-order effects and background frequency, Physical Review E, 2015, 91(2):022904. The first study of the relation between solitons and rogue waves-1. The topic---state transitions between different types of nonlinear waves---is triggerd by this work.
(2)ChongLiu, Zhan-YingYang*, Li-ChenZhao,and Wen-Li Yang,Transition, coexistence,and interaction of vector localized waves arising from higher-order effects, Annals ofPhysics, 2015, 362 130-138.The first study of the relation between solitons and rogue waves-2.
(2014)
(2)ChongLiu,Zhan-YingYang*, Li-ChenZhao*,and Wen-LiYang,Vector breathers andtheinelastic interaction in a three-mode nonlinear optical fiber,Physical Review A, 2014,89(5): 055803.
(1)ChongLiu, Zhan-YingYang*, Li-ChenZhao,Guo-GuoXin, and Wen-Li Yang, Opticalrogue waves generated on Gaussian background beam, Optics Letters, 2014, 39(4):1057-1060.