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quant-ph2026
Memory and thermal amplification in spin--cavity squared commutators
Yong-Hong Ma, Hui-Hui Xu, Jian-Zhuang Wu +4
Squared commutators in the Holstein--Primakoff limit of a spin--cavity system provide a compact way to separate propagation from covariance growth in a finite-temperature reservoir…
quant-ph2024
Entanglement generation in capacitively coupled Transmon-cavity system
Jian-Zhuang Wu, Lian-E Lu, Xin-Yu Zhao +1
In this paper, the higher energy levels of the transmon qubit are taken into consideration to investigate the continuous variable entanglement generation between the transmon qubit…
quant-ph2023
Quantum Nonlinear Effect in Dissipatively Coupled Optomechanical System
Wen-Quan Yang, Wei Niu, Yong-Hong Ma +1
A full-quantum approach is used to study quantum nonlinear properties of a compound Michelson-Sagnac interferometer optomechanical system. The effective Hamiltonian shows that both…