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9 papers · 2 filters
Macroscopic quantum entanglement in modulated optomechanics
Mei Wang, Xin-You Lü, Ying-Dan Wang +2
Quantum entanglement in mechanical systems is not only a key signature of macroscopic quantum effects, but has wide applications in quantum technologies. Here we proposed an effect…
Geometric effects resulting from square and circular confinements for a particle constrained to a space curve
Yong-Long Wang, Meng-Yun Lai, Fan Wang +2
Investigating the geometric effects resulting from the detailed behaviors of the confining potential, we consider square and circular confinements to constrain a particle to a spac…
Enhanced output entanglement with reservoir engineering
Xiao-Bo Yan
We study the output entanglement in a three-mode optomechanical system via reservoir engineering by shifting the center frequency of filter function away from resonant frequency. W…
Auxiliary-cavity-assisted ground-state cooling of optically levitated nanosphere in the unresolved-sideband regime
Jin-Shan Feng, Lei Tan, Huai-Qiang Gu +1
We theoretically analyse the ground-state cooling of optically levitated nanosphere in unresolved- sideband regime by introducing a coupled high-quality-factor cavity. On account o…
Entanglement concentration with different measurement in a 3-mode optomechanical system
Zhe Li
In this work, we perform a series of phonon counting measurement with different methods in a 3-mode optomechanical system, and we compare the difference of the entanglement after m…
Universal scaling and critical exponents of the anisotropic quantum Rabi model
Maoxin Liu, Stefano Chesi, Zu-Jian Ying +3
We investigate first- and second-order quantum phase transitions of the anisotropic quantum Rabi model, in which the rotating- and counter-rotating terms are allowed to have differ…