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Abstract: We study the average density of states in a small metallic grain coupled to two superconductors with the phase difference $\pi$, in a magnetic field. The spectrum of the low-energy excitatio...
We study the quantum anomalous Hall effect described by a class of two-component Haldane models on square lattices. We show that the latter can be transformed into a pseudospin triplet p+ip-wave paire...
A novel gravitational-wave antenna is proposed based on the prediction that supercurrents induced by gravitational waves in a superconductor that is bent into the shape of a figure "8" will couple eff...
Freely falling point-like objects converge toward the center of the Earth. Hence the gravitational field of the Earth is inhomogeneous, and possesses a tidal component. The free fall of an extended qu...
In this talk we discuss our recent suggestion that the QCD vacuum in a sufficiently strong magnetic field (stronger than 1016 Tesla) may undergo a spontaneous transition to an electromagnetically supe...
In our Prague paper [1], we predicted that the Cooper pairs will respond to a gravitational (GR) wave di erently from the ions of the ionic lattice of a superconductor (SC), because there exists a glo...
We theoretically study the macroscopic quantum tunneling (MQT) in a hetero Josephson junction formed by a conventional single-gap superconductor and a multi-gap one such as ${MgB}_{2}$ and iron-based...
We continuously measure the state of a superconducting quantum bit coupled to a microwave readout cavity by using a fast, ultralow-noise parametric ampli er. This arrangement allows us to observe qua...
2007Vol.48No.1pp.63-66DOI: Entropy Squeezing in Coupled Field-Superconducting Charge Qubit with Intrinsic Decoherence YAN Xue-Qun, SHAO Bin, and ZOU Jian Department of ...
2007Vol.47No.5pp.821-825DOI: Implementation of a Controlled-Phase Gate and Deutsch-Jozsa Algorithm with Superconducting Charge Qubits in a Cavity SONG Ke-Hui,1,2 ZHOU Zheng-Wei,2 ...
2007Vol.47No.4pp.722-724DOI: Efficient Scheme for Entanglement and Quantum Information Processing with Two Superconducting Quantum-Interference Devices in Cavity QED ZHAN Zhi-Ming...
2007Vol.47No.4pp.728-732DOI: Giant Vortex States in a Long Superconducting Cylinder with a Hole in Center ZHAO Hu, RAO Ze-Lang, CHEN Jin, HUANG Fu, and YANG Shi-Jie Depa...
2006Vol.46No.4pp.631-634DOI: Unconventional Geometric Phase-Shift Gates Based on Superconducting Quantum Interference Devices Coupled to a Single-Mode Cavity SONG Ke-Hui,1,2 ZHOU ...
2006Vol.46No.4pp.647-650DOI: Net Voltage and Phenomenon of Resonance Induced by Chaotic Signal for a Superconducting Junctions Device LI Jing-Hui and HAN Yin-Xia Departm...
2002Vol.38No.3pp.285-291DOI: Nonadiabatic Geometric Quantum Computation with Asymmetric Superconducting Quantum Interference Device HAO San-Ru,1,2 HOU Bo-Yu,1 XI Xiao-Qiang,1 and ...

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