the National Natural Science Foundation of China(Grant Nos.11847245,11874393,and 12134015);the Doctoral Scientific Research Foundation of Yunnan Normal University(Grant No.00900205020503180);the National Natural Science Foundation of China(Grant Nos.12275214,11805152,12047502,and 11947301);the Natural Science Basic Research Program of Shaanxi Province(Grant Nos.2021JCW-19and 2019JQ-107);the Shaanxi Key Laboratory for Theoretical Physics Frontiers in China。
The U(1)symmetry of the X X Z central spin model with an arbitrary central magnetic field B is broken,since its total spin in the z-direction is not conserved.We obtain the exact solutions of the system by using the o...
We acknowledge support from the National Natural Science Foundation of China under Grant No.11947221;the China Postdoctoral Science Foundation under Grant No.2019M662318.
Nonadiabatic geometric quantum computation protected by dynamical decoupling combines the robustness of nonadiabatic geometric gates and the decoherence-resilience feature of dynamical decoupling. Solid-state systems ...
Supported by the National Nature Science Foundation of China under Grant No.11772090
The spin-1/2 antiferromagnetic and spin-(1/2, 1) ferrimagnetic single-walled nanotubes are described by XXZ Heisenberg model. The sublattice magnetization and the critical temperature of the system are calculated by u...
Project supported by the National Natural Science Foundation of China(Grant No.10774035);the Qianjiang RenCai Program of Zhejiang Province,China(Grant No.2007R0010)
We use the mean-field approximation of Dyson–Maleev representation to study an XXZ Heisenberg ferrimagnetic spin chain with single-ion anisotropy. By solving the self-consistent equations with different anisotropies,...