no code implementations • 24 Dec 2020 • Yao Li, Yonggang Yang, Chengbing Qin, Yunrui Song, Shuangping Han, Guofeng Zhang, Ruiyun Chen, Jianyong Hu, Liantuan Xiao, Suotang Jia
Here, we presented two-photon photoluminescence (TPPL) measurements on individual Au nanobipyramids (AuNP) to reveal their ultrafast dynamics by two-pulse excitation on a global time scale ranging from sub-femtosecond to tens of picoseconds.
Optics Mesoscale and Nanoscale Physics Quantum Physics
no code implementations • 10 Dec 2020 • Bing Chen, Shuo Li, Xianfei Hou, Feifei Zhou, Peng Qian, Feng Mei, Suotang Jia, Nanyang Xu, Heng Shen
Quantum simulator with the ability to harness the dynamics of complex quantum systems has emerged as a promising platform for probing exotic topological phases.
Quantum Physics
no code implementations • 26 Sep 2020 • Han Bao, Shenchao Jin, Junlei Duan, Suotang Jia, Klaus Mølmer, Heng Shen, Yanhong Xiao
In quantum mechanics, the Heisenberg uncertainty relation presents an ultimate limit to the precision by which one can predict the outcome of position and momentum measurements on a particle.
Quantum Physics
no code implementations • 8 Jul 2020 • Qiang Wei, Xuewei Zhang, Weiyin Deng, Jiuyang Lu, Xueqin Huang, Mou Yan, Gang Chen, Zhengyou Liu, Suotang Jia
Here we report the realization of a second-order topological Weyl semimetal in a 3D-printed acoustic crystal, which possesses Weyl points in 3D momentum space, 2D Fermi arc states on surfaces and 1D gapless states on hinges.
Mesoscale and Nanoscale Physics