361 citations · 6.1k across the 127 of their papers we have counts for
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Quantum interference between non-identical single particles
Keyu Su, Yi Zhong, Shanchao Zhang +5
Quantum interference between identical single particles reveals the intrinsic quantum statistic nature of particles, which could not be interpreted through classical physics. Here,…
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…
Approaching the standard quantum limit of a Rydberg-atom microwave electrometer
Hai-Tao Tu, Kai-Yu Liao, Guo-Dong He +7
The development of a microwave electrometer with inherent uncertainty approaching its ultimate limit carries both fundamental and technological significance. Recently, the Rydberg…
Demonstration of the quantum principle of least action with single photons
Yong-Li Wen, Yunfei Wang, Li-Man Tian +5
The principle of least action is arguably the most fundamental principle in physics as it can be used to derive the equations of motion in various branches of physics. However, thi…
Measurement of non-Abelian gauge fields using multi-loop amplification
Qing-Xian Lv, Hong-Zhi Liu, Yan-Xiong Du +7
Non-Abelian gauge field (NAGF) plays a central role in understanding the geometrical and topological phenomena in physics. Here we experimentally induce a NAGF in the degenerate ei…
Mapping Topology-Localization Phase Diagram with Quasiperiodic Disorder Using a Programmable Superconducting Simulator
Xuegang Li, Huikai Xu, Junhua Wang +23
We explore topology-localization phase diagram by simulating one-dimensional Su-Schrieffer-Heeger (SSH) model with quasiperiodic disorder using a programmable superconducting simul…
Quantum circuit for measuring an operator's generalized expectation values and its applications to non-Hermitian winding numbers
Ze-Hao Huang, Peng He, Li-Jun Lang +1
We propose a general quantum circuit based on the swap test for measuring the quantity of an arbitrary operator with respect to two quantum stat…
Variational thermal quantum simulation of the lattice Schwinger model
Xu-Dan Xie, Xingyu Guo, Hongxi Xing +3
Confinement of quarks due to the strong interaction and the deconfinement at high temperatures and high densities are a basic paradigm for understanding the nuclear matter. Their s…
High efficiency coherent microwave-to-optics conversion via off-resonant scattering
Hai-Tao Tu, Kai-Yu Liao, Zuan-Xian Zhang +6
Quantum transducers that can convert quantum signals from the microwave to the optical domain are a crucial optical interface for quantum information technology. Coherent microwave…
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…
Measurement of spin Chern numbers in quantum simulated topological insulators
Qing-Xian Lv, Yan-Xiong Du, Zhen-Tao Liang +9
The topology of quantum systems has become a topic of great interest since the discovery of topological insulators. However, as a hallmark of the topological insulators, the spin C…
Synchronization and phase shaping of single photons with high-efficiency quantum memory
Keyu Su, Yunfei Wang, Shanchao Zhang +5
Time synchronization and phase shaping of single photons both play fundamental roles in quantum information applications that rely on multi-photon quantum interference. Phase shapi…
Non-Hermitian topological end breathers
Li-Jun Lang, Shi-Liang Zhu, Y. D. Chong
Nonlinearities in lattices with topologically nontrivial band structures can give rise to topological solitons, whose properties differ from both conventional lattice solitons and…
Increase the Efficiency of Post-selection in Direct Measurement of Quantum Wave Function
Yong-Li Wen, Shanchao Zhang, Hui Yan +1
Direct weak or strong measurement of quantum wave function has been demonstrated based on the post-selection; however, the efficiency of the measurement is greatly limited by the s…
Selected topics of quantum computing for nuclear physics
Dan-Bo Zhang, Hongxi Xing, Hui Yan +2
Nuclear physics, whose underling theory is described by quantum gauge field coupled with matter, is fundamentally important and yet is formidably challenge for simulation with clas…
Experimental Observation of Tensor Monopoles with a Superconducting Qudit
Xinsheng Tan, Dan-Wei Zhang, Wen Zheng +9
Monopoles play a center role in gauge theories and topological matter. There are two fundamental types of monopoles in physics: vector monopoles and tensor monopoles. Examples of v…
Continuous-variable assisted thermal quantum simulation
Dan-Bo Zhang, Guo-Qing Zhang, Zheng-Yuan Xue +2
Simulation of a quantum many-body system at finite temperatures is crucially important but quite challenging. Here we present an experimentally feasible quantum algorithm assisted…
Simultaneously exciting two atoms with photon-mediated Raman interaction
Peng Zhao, Xinsheng Tan, Haifeng Yu +2
We propose an approach to simultaneously excite two atoms by using cavity-assisted Raman process in combination with cavity photon-mediated interaction. The system consists of a tw…
Efficient quantum memory for single photon polarization qubits
Y. Wang, J. Li, S. Zhang +6
A quantum memory, for storing and retrieving flying photonic quantum states, is a key interface for realizing long-distance quantum communication and large-scale quantum computatio…
Digital Simulation of Topological Matter on Programmable Quantum Processors
Feng Mei, Qihao Guo, Ya-Fei Yu +3
Simulating the topological phases of matter in synthetic quantum simulators is a topic of considerable interest. Given the universality of digital quantum simulators, the prospect…
Microwave electrometry via electromagnetically induced absorption in cold Rydberg atoms
Kai-Yu Liao, Hai-Tao Tu, Shu-Zhe Yang +6
The atom-based traceable standard for microwave electrometry shows promising advantages by enabling stable and uniform measurement. Here we theoretically propose and then experimen…
Integration of the Berry curvature on a qubit state manifold by coupling to a quantum meter system
Peng Xu, Shi-Liang Zhu, Klaus Mølmer +1
We present a scheme that allows integration of the Berry curvature and thus determination of the Chern number of a qubit eigenstate manifold. Our proposal continuously couples the…
Einstein-Podolsky-Rosen Energy-Time Entanglement of Narrowband Biphotons
Yefeng Mei, Yiru Zhou, Shanchao Zhang +5
We report the direct characterization of energy-time entanglement of narrowband biphotons produced from spontaneous four-wave mixing in cold atoms. The Stokes and anti-Stokes two-p…
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…