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85 papers · 1 filter
Bright-exciton fine structures splittings in single perovskite nanocrystals
Chunyang Yin, Liyang Chen, Yan Lv +7
Although both epitaxial quantum dots (QDs) and colloidal nanocrystals (NCs) are quantum-confined semiconductor nanostructures, so far they have demonstrated dramatically-different…
The Lackadaisical Quantum Walker is NOT Lazy at all
Kun Wang, Nan Wu, Ping Xu +1
In this paper, we study the properties of lackadaisical quantum walks on a line. This model is first proposed in~\cite{wong2015grover} as a quantum analogue of lazy random walks wh…
Theoretical investigation of the magnetic dynamics in -RuCl
Wei Wang, Zhao-Yang Dong, Shun-Li Yu +1
We study the spin-wave excitations in -RuCl by the spin-wave theory. Starting from the five-orbital Hubbard model and the perturbation theory, we derive an effective isospin…
Quantum state conversion in opto-electro-mechanical systems via shortcut to adiabaticity
Xiao Zhou, Bao-Jie Liu, L. -B. Shao +2
Adiabatic process has found many important applications in modern physics, the distinct merit of which is that it does not need accurate control over the timing of the process. How…
Continuous-variable entanglement generated with a hybrid PT-symmetric system
Saeid Vashahri-Ghamsari, Bing He, Min Xiao
We study a proposal of generating macroscopic continuous-variable entanglement with two coupled waveguides respectively carrying optical damping and optical gain. Moreover, a squee…
Optimal Conventional Measurements for Quantum-Enhanced Interferometry
Wei Zhong, Yixiao Huang, Xiaoguang Wang +1
A major obstacle to attain the fundamental precision limit of the phase estimation in an interferometry is the identification and implementation of the optimal measurement. Here we…