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7 papers · 2 filters
Optimal GHZ Paradox for Three Qubits
Changliang Ren, Hong-Yi Su, Zhen-Peng Xu +2
Quatum nonlocality as a valuable resource is of vital importance in quantum information processing. The characterization of the resource has been extensively investigated mainly fo…
Quantum contextuality of a qutrit state
Zhen-Peng Xu, Hong-Yi Su, Jing-Ling Chen
We present a study of quantum contextuality of three-dimensional mixed states for the Klyachko-Can-Binicioğlu-Shumovsky (KCBS) and the Kurzyński-Kaszlikowski (KK) noncontextuality…
Amplitude modulated Bloch oscillations of photon probability distribution in a cavity-atom system
Gang Zhang, Wenhui Hu, Zhi Song
We study the dynamics of the Rabi Hamiltonian in the medium coupling regime with , where is atom-field coupling constant, is the field…
Generation of Bell, W and GHZ states via exceptional points in non-Hermitian quantum spin systems
Ci. Li, Zhi. Song
We study quantum phase transitions in non-Hermitian XY and transverse-field Ising spin chains, in which the non-Hermiticity arises from the imaginary magnetic field. Analytical and…
Quantum Interference Induced Photon Blockade in a Coupled Single Quantum Dot-Cavity System
Jing Tang, Weidong Geng, Xiulai Xu
We propose an experimental scheme to implement a strong photon blockade with a single quantum dot coupled to a nanocavity. The photon blockade effect can be tremendously enhanced b…
Sudden death of particle-pair Bloch oscillation and unidirectional propagation in a one-dimensional driven optical lattice
S. Lin, X. Z. Zhang, Z. Song
We study the dynamics of bound pairs in the extended Hubbard model driven by a linear external field. It is shown that two interacting bosons or singlet fermions with nonzero on-si…