Switchable superradiant phase transition with Kerr magnons

G Liu, W Xiong, ZJ Ying - Physical Review A, 2023 - APS
The superradiant phase transition (SPT) has been widely studied in cavity quantum
electrodynamics (CQED). However, this SPT is still subject to ongoing debates due to the no …

Detection sensitivity enhancement of magnon Kerr nonlinearity in cavity magnonics induced by coherent perfect absorption

GQ Zhang, Y Wang, W Xiong - Physical Review B, 2023 - APS
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 …

Optomechanical-interface-induced strong spin-magnon coupling

W Xiong, M Wang, GQ Zhang, J Chen - Physical Review A, 2023 - APS
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

GQ Zhang, W Feng, W Xiong, QP Su, CP Yang - Physical Review A, 2023 - APS
Very recently, dissipative coupling was discovered, which develops and broadens methods
for controlling and utilizing light-matter interactions. Here, we propose a scheme to generate …

Nonlinear self-sustaining dynamics in cavity magnomechanics

W Li, J Cheng, W Gong, J Li - Physical Review A, 2023 - APS
A recent experiment [RC Shen, Phys. Rev. Lett. 129, 123601 (2022) 0031-9007
10.1103/PhysRevLett. 129.123601] has demonstrated the occurrence of nonlinearity …

Generating Bell states and -partite states of long-distance qubits in superconducting waveguide QED

GQ Zhang, W Feng, W Xiong, D Xu, QP Su… - Physical Review Applied, 2023 - APS
We show how to generate Bell states and N-partite W states of long-distance
superconducting (SC) qubits in a SC waveguide QED system, where SC qubits are coupled …

Generation of a Schrödinger cat state in a hybrid ferromagnet-superconductor system

S He, X Xin, FY Zhang, C Li - Physical Review A, 2023 - APS
The hybrid system between the transmon and the magnon plays an important role in
quantum information science. Additionally, the cat states of the magnon are a valuable …

Magnon squeezing by two-tone driving of a qubit in cavity-magnon-qubit systems

Q Guo, J Cheng, H Tan, J Li - Physical Review A, 2023 - APS
We propose a scheme for preparing magnon squeezed states in a hybrid cavity-magnon-
qubit system. The system consists of a microwave cavity that simultaneously couples to a …

Chiral coupling between a ferromagnetic magnon and a superconducting qubit

Y Ren, S Ma, F Li - Physical Review A, 2022 - APS
Chiral coupling at the single-quantum level promises to be a remarkable potential for
quantum information processing. Here we propose to achieve a chiral interaction between a …

Floquet generation of a magnonic NOON state

S Qi, J Jing - Physical Review A, 2023 - APS
We propose a concise and deterministic protocol to generate NOON states in a hybrid
system consisting of a superconducting qubit, a circuit resonator mode, and two magnonic …