\begin{document}$xy$\end{document} plane (\begin{document}$xy$\end{document}-M), vortex current on \begin{document}$xy$\end{document} plane (\begin{document}$xy$\end{document}-V), vortex current on \begin{document}$xz$\end{document} plane (\begin{document}$xz$\end{document}-V), and vortex current on both \begin{document}$xy$\end{document} and \begin{document}$xz$\end{document} planes (DV). For distinguishing these chiral currents, four order parameters \begin{document}$J_{C//}$\end{document}, \begin{document}$J_{AB}$\end{document} (\begin{document}$J_{BC}$\end{document}), and \begin{document}$J_{CA}$\end{document} are defined. Then the ground-state quantum phase diagrams are mapped out. The emergence of the different quantum phases is due to the competition between the coupling strengths \begin{document}$\tilde{t}$\end{document} and \begin{document}$t_{CA}$\end{document}. The Meissner and vortex currents emerging in this synthetic Hall tube also emerge in type II superconductor, which can generate an opposite field to weaken the influence of the applied field. Thus this synthetic Hall tube can be used as a diamagnet. At last we consider the influence of the imperfections in device fabrication. We proof when the strength of the imperfection is not large enough, the quantum phase diagrams shown in this paper remain valid. Moreover, the possible experimental observations of the ground-state chiral currents are addressed. The ground state of this synthetic Hall tube can be generated by applying microwave pulses. Then the corresponding density matrix can be constructed by the quantum state tomography. After constructing the density matrix, the order parameters can be obtained by calculating the trace. These results enrich the quantum currents in Hall tube and provide a new route to explore novel quantum phases."> - 必威体育下载

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Citation:

    Guan Xin, Chen Gang, Pan Jing, You Xiu-Fen, Gui Zhi-Guo
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    • Abstract views:3032
    • PDF Downloads:53
    • Cited By:0
    Publishing process
    • Received Date:18 February 2022
    • Accepted Date:13 April 2022
    • Available Online:01 August 2022
    • Published Online:20 August 2022

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