540 citations · 1.8k across the 22 of their papers we have counts for
22 papers
Quantum simulation of Hofstadter butterfly with synthetic gauge fields on two-dimensional superconducting-qubit lattices
Wei Feng, Dexi Shao, Guo-Qiang Zhang +3
Motivated by recent realizations of two-dimensional (2D) superconducting-qubit lattices, we propose a protocol to simulate Hofstadter butterfly with synthetic gauge fields in super…
Cavity magnon-polariton interface for strong spin-spin coupling
Ma-Lei Peng, Miao Tian, Xue-Chun Chen +3
Strong coupling between single qubits is crucial for quantum information science and quantum computation. However, it is still challenged, especially for single solid-state qubit.…
Generating Bell states and -partite states of long-distance qubits in superconducting waveguide QED
Guo-Qiang Zhang, Wei Feng, Wei Xiong +3
We show how to generate Bell states and -partite states of long-distance superconducting (SC) qubits in a SC waveguide quantum electrodynamical (QED) system, where SC qubits…
Detection sensitivity enhancement of magnon Kerr nonlinearity in cavity magnonics induced by coherent perfect absorption
Guo-Qiang Zhang, Yimin Wang, Wei Xiong
We show how to enhance the detection sensitivity of magnon Kerr nonlinearity (MKN) in cavity magnonics. The considered cavity-magnon system consists of a three-dimensional microwav…
Optomechanical-interface-induced strong spin-magnon coupling
Wei Xiong, Mingfeng Wang, Guo-Qiang Zhang +1
Strong long-distance spin-magnon coupling is essential for solid-state quantum information processing and single qubit manipulation. Here, we propose an approach to realize strong…
Generation of long-lived states via reservoir engineering in dissipatively coupled systems
Guo-Qiang Zhang, Wei Feng, Wei Xiong +2
Very recently, dissipative coupling was discovered, which develops and broadens methods for controlling and utilizing light-matter interactions. Here, we propose a scheme to genera…
Higher-order exceptional point in a blue-detuned non-Hermitian cavity optomechanical system
Wei Xiong, Zhuanxia Li, Guo-Qiang Zhang +4
Higher-order exceptional points (EPs) in non-Hermitian systems have attracted great interest due to their advantages in sensitive enhancement and distinct topological features. How…
Transport Model Comparison Studies of Intermediate-Energy Heavy-Ion Collisions
Hermann Wolter, Maria Colonna, Dan Cozma +49
Transport models are the main method to obtain physics information from low to relativistic-energy heavy-ion collisions. The Transport Model Evaluation Project (TMEP) has been purs…
Dissipation-induced nonreciprocal magnon blockade in a magnon-based hybrid system
Yimin Wang, Wei Xiong, Zhiyong Xu +2
We propose an experimentally realizable nonreciprocal magnonic device at the single-magnon level by exploiting magnon blockade in a magnon-based hybrid system. The coherent qubit-m…
Strong Long-Range Spin-Spin Coupling via a Kerr Magnon Interface
Wei Xiong, Miao Tian, Guo-Qiang Zhang +1
Strong long-range coupling between distant spins is crucial for spin-based quantum information processing. However, achieving such a strong spin-spin coupling remains challenging.…
Parity-symmetry-breaking quantum phase transition via parametric drive in a cavity magnonic system
Guo-Qiang Zhang, Zhen Chen, Wei Xiong +2
We study the parity-symmetry-breaking quantum phase transition (QPT) in a cavity magnonic system driven by a parametric field, where the magnons in a ferrimagnetic yttrium-iron-gar…
Enhancement of microwave squeezing via parametric down-conversion in a superconducting quantum circuit
Kong Han, Yimin Wang, Guo-Qiang Zhang
We propose an experimentally accessible superconducting quantum circuit, consisting of two coplanar waveguide resonators (CWRs), to enhance the microwave squeezing via parametric d…
Exceptional Point and Cross-Relaxation Effect in a Hybrid Quantum System
Guo-Qiang Zhang, Zhen Chen, Da Xu +7
Exceptional points (EPs) are exotic degeneracies of non-Hermitian systems, where the eigenvalues and the corresponding eigenvectors simultaneously coalesce in parameter space, and…
Solvable dilation model of -symmetric systems
Minyi Huang, Ray-Kuang Lee, Qing-hai Wang +2
The dilation method is a practical way to experimentally simulate non-Hermitian, especially -symmetric quantum systems. However, the time-dependent dilation problem cannot…
Photon-Dressed Bloch-Siegert Shift in an Ultrastrongly Coupled Circuit Quantum Electrodynamical System
Shuai-Peng Wang, Guo-Qiang Zhang, Yimin Wang +5
A cavity quantum electrodynamical (QED) system beyond the strong-coupling regime is expected to exhibit intriguing quantum phenomena. Here we report a direct measurement of the pho…
Experimentally Accessible Quantum Phase Transition in a non-Hermitian Tavis-Cummings Model Engineered with Two Drive Fields
Guo-Qiang Zhang, Zhen Chen, J. Q. You
We study the quantum phase transition (QPT) in a non-Hermitian Tavis-Cummings (TC) model of experimentally accessible parameters, which is engineered with two drive fields applied…
Dispersive readout of a weakly coupled qubit via the parity-time-symmetric phase transition
Guo-Qiang Zhang, Yi-Pu Wang, J. Q. You
For some cavity-quantum-electrodynamics systems, such as a single electron spin coupled to a passive cavity, it is challenging to reach the strong-coupling regime. In such a weak-c…
Quantum Simulation of the Fermion-Boson Composite Quasi-Particles with a Driven Qubit-Magnon Hybrid Quantum System
Yi-Pu Wang, Guo-Qiang Zhang, Da Xu +4
We experimentally demonstrate strong coupling between the ferromagnetic magnons in a small yttrium-iron-garnet (YIG) sphere and the drive-field-induced dressed states of a supercon…
Theory of the magnon Kerr effect in cavity magnonics
Guo-Qiang Zhang, Yi-Pu Wang, J. Q. You
We develop a theory for the magnon Kerr effect in a cavity magnonics system, consisting of magnons in a small yttrium iron garnet (YIG) sphere strongly coupled to cavity photons, a…
Higher-order exceptional point in a cavity magnonics system
Guo-Qiang Zhang, J. Q. You
We propose to realize the pseudo-Hermiticity in a cavity magnonics system consisting of the Kittel modes in two small yttrium-iron-garnet spheres coupled to a microwave cavity mode…
Bistability of Cavity Magnon Polaritons
Yi-Pu Wang, Guo-Qiang Zhang, Dengke Zhang +3
We report the first observation of the magnon-polariton bistability in a cavity magnonics system consisting of cavity photons strongly interacting with the magnons in a small yttri…
Magnon Kerr effect in a strongly coupled cavity-magnon system
Yi-Pu Wang, Guo-Qiang Zhang, Dengke Zhang +6
We experimentally demonstrate magnon Kerr effect in a cavity-magnon system, where magnons in a small yttrium iron garnet (YIG) sphere are strongly but dispersively coupled to the p…