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5 papers · 2 filters
Efficient single-photon frequency conversion in the microwave domain using superconducting quantum circuits
W. Z. Jia, Y. W. Wang, Yu-xi Liu
We present an approach to achieve efficient single-photon frequency conversion in the microwave domain based on coherent control in superconducting quantum circuits, which consist…
Undetectable Werner states using linear Bell inequalities
Ming-Xing Luo
Bell inequality serves as an important method to detect quantum entanglement, a problem which is generally known to be NP-hard. Our goal in this work is to detect Werner states usi…
Computationally Efficient Nonlinear Bell Inequalities for General Quantum Networks
Ming-Xing Luo
The correlations in quantum networks have attracted strong interest with new types of violations of the locality. The standard Bell inequalities cannot characterize the multipartit…
Pryce's mass-center operators and the anomalous velocity of a spinning electron
Long Huang, Xiaohua Wu, Tao Zhou
In the present work, we develop a method to calculate the anomalous velocity of a spinning electron. From Dirac equation, the relationships among the expectation values of the Pryc…
Unified quantum no-go theorems and transforming of quantum states in a restricted set
Ming-Xing Luo, Hui-Ran Li, Hong Lai +1
The linear superposition principle in quantum mechanics is essential for several no-go theorems such as the no-cloning theorem, the no-deleting theorem and the no-superposing theor…