@article{oai:repository.dl.itc.u-tokyo.ac.jp:02005731,
 author = {Yoshikawa, Yuki and Sakumichi, Naoyuki and Chung, Ung-il and Sakai, Takamasa},
 journal = {Physical Review X},
 month = {May},
 title = {Negative Energy Elasticity in a Rubberlike Gel},
 volume = {11},
 year = {2021}
}