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Showing 2018 · quant-phShow all

11 papers · 2 filters

quant-ph2018★ 46 cited

Strong mechanical squeezing in an unresolved-sideband optomechanical system

Rong Zhang, Yinan Fang, Yang-Yang Wang +2

We study how strong mechanical squeezing (beyond 3 dB) can be achieved through reservoir engineering in an optomechanical system which is far from the resolved-sideband regime. In…

quant-ph2018★ 28 cited

Pseudo-magnetic field and effective spin-orbit interaction for a spin-1/2 particle confined to a curved surface

Guo-Hua Liang, Yong-Long Wang, Meng-Yun Lai +3

By considering the spin connection, we deduce the effective equation for a spin-1/2 particle confined to a curved surface with the non-relativistic limit and in the thin-layer quan…

quant-ph2018

Experimental Test of Generalized Hardy's Paradox

Yi-Han Luo, Hong-Yi Su, He-Liang Huang +7

Since the pillars of quantum theory were established, it was already noted that quantum physics may allow certain correlations defying any local realistic picture of nature, as fir…

quant-ph2018

Universal Uncertainty Principle in Different Quantum Theories

C. Huang, Yong-Chang Huang

This paper deduces universal uncertainty principle in different quantum theories after about one century of proposing uncertainty principle by Heisenberg, i.e., new universal uncer…

quant-ph2018★ 143 cited

Analog quantum chemistry simulation

J. Argüello-Luengo, A. González-Tudela, T. Shi +2

Computing the electronic structure of molecules with high precision is a central challenge in the field of quantum chemistry. Despite the enormous success of approximate methods, t…

quant-ph2018★ 2 cited

Extended Bell inequality and maximum violation

Yan Gu, Haifeng Zhang, Zhigang Song +2

The original formula of Bell inequality (BI) in terms of two-spin singlet has to be modified for the entangled-state with parallel spin polarization. Based on classical statistics…

quant-ph2018

Chained Einstein-Podolsky-Rosen steering inequalities with improved visibility

Hui-Xian Meng, Jie Zhou, Changliang Ren +2

It is known that the linear n-setting steering inequalities introduced in Ref. [Nature Phys. 6, 845 (2010)] are very efficient inequalities in detecting steerability of the Werner…

quant-ph2018★ 42 cited

Effective many-body Hamiltonians of qubit-photon bound states

T. Shi, Y. -H Wu, A. González-Tudela +1

Quantum emitters (QEs) coupled to structured baths can localize multiple photons around them and form qubit-photon bound states. In the Markovian or weak coupling regime, the inter…

quant-ph2018★ 8 cited

Enhanced nonlinear interaction effects in a four-mode optomechanical ring

Li-Jing Jin, Jing Qiu, Stefano Chesi +1

With a perturbative treatment based on the Keldysh Green's function technique, we study the resonant enhancement of nonlinear interaction effects in a four-mode optomechanical ring…

quant-ph2018

Dynamical Phase Transition of two-component Bose-Einstein condensate with nonlinear tunneling in an optomechanical cavity-mediated double-well system

Qing Li, Lei Tan, Jin-Lou Ma +3

We investigate the dynamical phase transition of two-component Bose-Einstein condensate with nonlinear tunneling, which is trapped inside a double-well and dispersively coupled to…

quant-ph2018★ 191 cited

Quantum Image Processing and Its Application to Edge Detection: Theory and Experiment

Xi-Wei Yao, Hengyan Wang, Zeyang Liao +12

Processing of digital images is continuously gaining in volume and relevance, with concomitant demands on data storage, transmission and processing power. Encoding the image inform…