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10 papers · 2 filters
Effect of bath temperature on the decoherence of quantum dissipative systems
Wei Wu, Hai-Qing Lin
We report an anomalous decoherence phenomenon of a quantum dissipative system in the framework of a stochastic decoupling scheme along with a hierarchical equations-of-motion forma…
Maximal coherence in generic basis
Yao Yao, G. H. Dong, Li Ge +2
Since quantum coherence is an undoubted characteristic trait of quantum physics, the quantification and application of quantum coherence has been one of the long-standing central t…
Fisher information of a squeezed-state interferometer with a finite photon-number resolution
P. Liu, P. Wang, W. Yang +2
Squeezed-state interferometry plays an important role in quantum-enhanced optical phase estimation, as it allows the estimation precision to be improved up to the Heisenberg limit…
Detecting macroscopic quantum coherence with a cavity optomechanical system
Qiang Zheng, Jianwei Xu, Yao Yao +1
The rigorous resource framework of quantum coherence has been set up recently and excited a wide variety of interests. Here we show that a quantum cavity optomechanical system, as…
Spontaneous Decoherence of Coupled Harmonic Oscillators Confined in A Ring
Z. R. Gong, Z. W. Zhang, D. Z. Xu +2
We study the spontaneous decoherence of the coupled harmonic oscillators confined in a ring container, where the nearest-neighbor harmonic potentials are taken into consideration.…
Spin-Orbit Coupling Induced Spin Squeezing in Three-Component Bose Gases
X. Y. Huang, F. X. Sun, W. Zhang +2
We observe spin squeezing in three-component Bose gases where all three hyperfine states are coupled by synthetic spin-orbit coupling. This phenomenon is a direct consequence of sp…