311 citations · 990 across the 22 of their papers we have counts for
22 papers
Dynamical Signatures of Floquet Topology in Wave Packet Dynamics
Xin Shen, Bing Lu, Yan-Qing Zhu
Periodically driven quantum systems, known as Floquet systems, provide a versatile platform for engineering novel topological phases absent in static settings. However, dynamically…
Identifying Oriented Spin Space Groups and Related Physical Properties Using an Online Platform FINDSPINGROUP
Yutong Yu, Xiaobing Chen, Yanzhou Zhu +5
Unconventional magnets that combine antiferromagnetic structures with ferromagnetic-like responses are essential for the development of next-generation spintronics. Their emergent…
Synthetic spin-orbit coupling for the multispin models in optical lattices
Zhen Zheng, Yan-Qing Zhu, Shanchao Zhang +2
The essential role of synthetic spin-orbit coupling in discovering new topological matter phases with cold atoms is widely acknowledged. However, the engineering of spin-orbit coup…
Synthetic non-Abelian topological charges in ultracold atomic gases
Qi-Dong Wang, Yan-Qing Zhu, Shi-Liang Zhu +1
Topological phases associated with non-Abelian charges can exhibit a distinguished bulk-edge correspondence compared with Abelian phases, although elucidating this relationship rem…
Topological Insulators with Hybrid-order Boundary States
Yan-Qing Zhu, Zhen Zheng, Giandomenico Palumbo +1
We report the discovery of several classes of novel topological insulators (TIs) with hybrid-order boundary states generated from the first-order TIs with additional crystalline sy…
Exploring Parity Magnetic Effects through Experimental Simulation with Superconducting Qubits
Yu Zhang, Yan-Qing Zhu, Jianwen Xu +8
We present the successful realization of four-dimensional (4D) semimetal bands featuring tensor monopoles, achieved using superconducting quantum circuits. Our experiment involves…
Enumeration and representation theory of spin space groups
Xiaobing Chen, Jun Ren, Yanzhou Zhu +7
Those fundamental physical properties, such as phase transitions, Weyl fermions, and spin excitation, in all magnetic ordered materials, were ultimately believed to rely on the sym…
Quantum quenches in a pseudo-Hermitian Chern insulator
Peng He, Yan-Qing Zhu, Jian-Te Wang +1
We propose to uncover the topology of a pseudo-Hermitian Chern insulator by quantum quench dynamics. The Bloch Hamiltonian of the pseudo-Hermitian Chern insulator is defined in the…
Topological Electromagnetic Effects and Higher Second Chern Numbers in Four-Dimensional Gapped Phases
Yan-Qing Zhu, Zhen Zheng, Giandomenico Palumbo +1
Higher-dimensional topological phases play a key role in understanding the lower-dimensional topological phases and the related topological responses through a dimensional reductio…
Link between \emph{Zitterbewegung} and topological phase transition
Xin Shen, Yan-Qing Zhu, Zhi Li
Topological quantum state described by the global invariant has been extensively studied in theory and experiment. In this letter, we investigate the relationship between \emph{Zit…
Extracting non-Abelian quantum metric tensor and its related Chern numbers
Hai-Tao Ding, Yan-Qing Zhu, Peng He +4
The complete geometry of quantum states in parameter space is characterized by the quantum geometric tensor, which contains the quantum metric and Berry curvature as the real and i…
Band topology of pseudo-Hermitian phases through tensor Berry connections and quantum metric
Yan-Qing Zhu, Wen Zheng, Shi-Liang Zhu +1
Among non-Hermitian systems, pseudo-Hermitian phases represent a special class of physical models characterized by real energy spectra and by the absence of non-Hermitian skin effe…
A synthetic monopole source of Kalb-Ramond field in diamond
Mo Chen, Changhao Li, Giandomenico Palumbo +3
Magnetic monopoles play a central role in various areas of fundamental physics, ranging from electromagnetism to topological states of matter. While their observation is elusive in…
Tensor monopoles and negative magnetoresistance effect in optical lattices
Hai-Tao Ding, Yan-Qing Zhu, Zhi Li +1
We propose that a kind of four-dimensional (4D) Hamiltonians, which host tensor monopoles related to quantum metric tensor in even dimensions, can be simulated by ultracold atoms i…
Four-dimensional semimetals with tensor monopoles: From surface states to topological responses
Yan-Qing Zhu, Nathan Goldman, Giandomenico Palumbo
Quantum anomalies offer a useful guide for the exploration of transport phenomena in topological semimetals. In this work, we introduce a model describing a semimetal in four spati…
Note on "Experimental Measurement of Quantum Metric Tensor and Related Topological Phase Transition with a Superconducting Qubit"
Yan-Qing Zhu, Dan-Wei Zhang, Xinsheng Tan +4
In the paper [X. Tan et al., Phys. Rev. Lett. 122, 210401 (2019)], we have studied the Euler characteristic number for a two-band model; However, the calculated there is no…
Experimental Measurement of the Quantum Metric Tensor and Related Topological Phase Transition with a Superconducting Qubit
Xinsheng Tan, Dan-Wei Zhang, Zhen Yang +12
Berry curvature is an imaginary component of the quantum geometric tensor (QGT) and is well studied in many branches of modern physics; however, the quantum metric as a real compon…
Topological metal bands with double-triple-point fermions in optical lattices
Xue-Ying Mai, Yan-Qing Zhu, Zhi Li +2
Novel fermionic quasiparticles with integer pseudospins in some energy bands, such as pseudospin-1 triple-point fermions, recently attract increasing interest since they are beyond…
Topological quantum matter with cold atoms
Dan-Wei Zhang, Yan-Qing Zhu, Y. X. Zhao +2
This is an introductory review of the physics of topological quantum matter with cold atoms. Topological quantum phases, originally discovered and investigated in condensed matter…
Emergent pseudospin-1 Maxwell fermions with a threefold degeneracy in optical lattices
Yan-Qing Zhu, Dan-Wei Zhang, Hui Yan +2
The discovery of relativistic spin-1/2 fermions such as Dirac and Weyl fermions in condensed-matter or artificial systems opens a new era in modern physics. An interesting but rare…
Topological Maxwell Metal Bands in a Superconducting Qutrit
Xinsheng Tan, Dan-Wei Zhang, Qiang Liu +6
We experimentally explore the topological Maxwell metal bands by mapping the momentum space of condensed-matter models to the tunable parameter space of superconducting quantum cir…
Maxwell Quasiparticles Emerged in Optical Lattices
Yan-Qing Zhu, Dan-Wei Zhang, Hui Yan +2
We construct a two-dimensional tight-binding model of an optical lattice, where the low energy excitations should be described by the spin-1 Maxwell equations in the Hamiltonian fo…