no code implementations • 1 Feb 2021 • Ze-Lin Zhang, Ping Xu, Zhen-Biao Yang
We investigate two kinds of topological structures (sphere and torus) spanned by the controlled parameters of a driven two-level system's Hamiltonian, and consider the connection between the structures and the system's dynamics.
Quantum Physics
no code implementations • 7 Sep 2019 • Zhen-Biao Yang, Pei-Rong Han, Xin-Jie Huang, Wen Ning, HekangLi, Kai Xu, Dongning Zheng, Heng Fan, Shi-Biao Zheng
No-cloning theorem forbids perfect cloning of an unknown quantum state.
Quantum Physics