Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

International Journal of Theoretical Physics

Quantum Dense Coding Properties Between Two Spatially Separated Atoms in Free Space

Yongqiang Li, Xiang Li, Xiang-Fu Jia, Guo-Hui Yang

Published Sep 17, 2020• 6 citations
Publisher
DOI
10.1007/s10773-020-04594-y

Related papers

Quantum Correlation Properties Between Two Spatially Separated Atoms in Free Space Reinforced by Incoherent Pumping

Lei Li, Guo-Hui Yang

International Journal of Theoretical Physics•Oct 11, 2013•0 citations

Quantum dense coding by spatial state entanglement

O. Akhavan, A.T. Rezakhani, M. Golshani

arXiv:quant-ph/0305118•Physics Letters A•Jun 9, 2003•5 citations

The Quantum Dense Coding in a Two Atomic System Under the Non-Markovian Environment

Xiao Qing Zhao, Yongqiang Li, Liu‐Yong Cheng +1 more

International Journal of Theoretical Physics•Nov 21, 2018•13 citations

Efficient scheme for realizing quantum dense coding with GHZ state in separated low-Q cavities

Qian Sun, Juan He, Liu Ye

We propose an efficient scheme for realizing quantum dense coding with three-particle GHZ state in separated low-Q cavities. In this paper, the GHZ state is first prepared with three atoms trapped, respectively, in three spatial separated cavities. Meanwhile, with the assistance of a coherent optical pulse and X-quadrature homodyne measurement, we can implement quantum dense coding with three-particle GHZ state with a higher probability. Our scheme can also be generalized to realize N -particle quantum dense coding.

Chinese Physics B•May 30, 2014•4 citations

Entanglement Properties Between Two Spatially Separated Atoms with Cascade Configuration in Free Space

Yang Guo-Hui, Junfeng Zhang, Miao Xiang-Yang +1 more

We investigate the entanglement properties between two identical atoms with cascade configuration through the retarded dipole-dipole interaction in free space when their spatial separation is on the order of radiation wavelength or less. We analyze the function of Hamiltonian induced by dipole-dipole interaction. By solving master equation, we show that the spontaneous emission induce entanglement and destroy entanglement too. We also show the long life time of entanglement within cascade configuration.

Communications in Theoretical Physics•Mar 1, 2010•0 citations

The property lattice of spatially separated quantum systems

Nicolas Gisin

Reports on Mathematical Physics•Jun 1, 1986•2 citations
We propose an efficient scheme for realizing quantum dense coding with three-particle GHZ state in separated low-Q cavities. In this paper, the GHZ state is first prepared with three atoms trapped, respectively, in three spatial separated cavities. Meanwhile, with the assistance of a coherent optical pulse and X-quadrature homodyne measurement, we can implement quantum dense coding with three-particle GHZ state with a higher probability. Our scheme can also be generalized to realize N -particle quantum dense coding.
We investigate the entanglement properties between two identical atoms with cascade configuration through the retarded dipole-dipole interaction in free space when their spatial separation is on the order of radiation wavelength or less. We analyze the function of Hamiltonian induced by dipole-dipole interaction. By solving master equation, we show that the spontaneous emission induce entanglement and destroy entanglement too. We also show the long life time of entanglement within cascade configuration.