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Article
Compact quantum gates for hybrid photon–atom systems assisted by Faraday rotation
We present some compact circuits for a deterministic quantum computing on the hybrid photon–atom systems, including the Fredkin gate and SWAP gate. These gates are constructed by exploiting the optical Faraday...
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Article
Open AccessHeralded quantum repeater based on the scattering of photons off single emitters using parametric down-conversion source
Quantum repeater is the key element in quantum communication and quantum information processing. Here, we investigate the possibility of achieving a heralded quantum repeater based on the scattering of photons...
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Article
Open AccessSelective distillation phenomenon in two-species Bose-Einstein condensates in open boundary optical lattices
We investigate the formation of discrete breathers (DBs) and the dynamics of the mixture of two-species Bose-Einstein condensates (BECs) in open boundary optical lattices using the discrete nonlinear Schröding...
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Article
Deterministic Generation of W States for Any Number of Distant Atoms via Adiabatic Passage
We propose a deterministic scheme for preparing any number of distant atoms in a W state. The atoms are respectively trapped in spatially separated optical cavities connected by the fibers. Our scheme utilizes...
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Article
Simple schemes for quantum information processing with W-type entanglement
Simple schemes are proposed for implementing deterministic teleportation, superdense coding, and quantum information splitting with W-type entangled states. The physical realization of these schemes should be muc...
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Article
Controlled teleportation against uncooperation of part of supervisors
We study the teleportation of an unknown quantum state from a sender (Alice) to a receiver (Bob) via the control of many supervisors (Charlie 1, Charlie 2, . . .) in a network. It has been shown that such a ta...