中国物理B ›› 2022, Vol. 31 ›› Issue (10): 104601-104601.doi: 10.1088/1674-1056/ac754e

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A minimal model for the auxetic response of liquid crystal elastomers

Bingyu Yu(於冰宇)1,2, Yuanchenxi Gao(高袁晨曦)3, Bin Zheng(郑斌)4, Fanlong Meng(孟凡龙)1,2,4, Yu Fang(方羽)3,†, Fangfu Ye(叶方富)4,5,6,‡, and Zhongcan Ouyang(欧阳钟灿)1,§   

  1. 1. CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China;
    2. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China;
    3. Beijing 101 Middle School, Beijing 100091, China;
    4. Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China;
    5. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
    6. Oujiang Laboratory (Zhejiang Laboratory for Regenerative Medicine, Vision and Brain Health), Wenzhou 325000, China
  • 收稿日期:2022-05-28 修回日期:2022-05-28 出版日期:2022-10-16 发布日期:2022-09-16
  • 通讯作者: Yu Fang, Fangfu Ye, Zhongcan Ouyang E-mail:fangyu@beijing101.com;fye@iphy.ac.cn;oy@itp.ac.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 22193032).

A minimal model for the auxetic response of liquid crystal elastomers

Bingyu Yu(於冰宇)1,2, Yuanchenxi Gao(高袁晨曦)3, Bin Zheng(郑斌)4, Fanlong Meng(孟凡龙)1,2,4, Yu Fang(方羽)3,†, Fangfu Ye(叶方富)4,5,6,‡, and Zhongcan Ouyang(欧阳钟灿)1,§   

  1. 1. CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China;
    2. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China;
    3. Beijing 101 Middle School, Beijing 100091, China;
    4. Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China;
    5. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
    6. Oujiang Laboratory (Zhejiang Laboratory for Regenerative Medicine, Vision and Brain Health), Wenzhou 325000, China
  • Received:2022-05-28 Revised:2022-05-28 Online:2022-10-16 Published:2022-09-16
  • Contact: Yu Fang, Fangfu Ye, Zhongcan Ouyang E-mail:fangyu@beijing101.com;fye@iphy.ac.cn;oy@itp.ac.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 22193032).

摘要: We develop a minimal phenomenological model to describe the auxetic response recently observed in liquid crystal elastomers, and further determine by theoretical calculation the critical condition required for the auxetic response to occur.

关键词: auxetic response, liquid crystal elastomers, phenomenological model

Abstract: We develop a minimal phenomenological model to describe the auxetic response recently observed in liquid crystal elastomers, and further determine by theoretical calculation the critical condition required for the auxetic response to occur.

Key words: auxetic response, liquid crystal elastomers, phenomenological model

中图分类号:  (Theoretical studies)

  • 46.25.Cc
62.20.-x (Mechanical properties of solids) 62.20.dj (Poisson's ratio) 64.70.pp (Liquid crystals)