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 Quantum Information

MAXIMAL ENTANGLED FOUR-QUBIT STATE AND ITS PREPARATION IN CAVITY QED SYSTEM

Xue Li, Lie Wu, Gen-Chang Cai, Nian-Quan Jiang

Published Apr 1, 2011• 3 citations
Publisher

Abstract

In this paper, we explore the entanglement property of the nine families of four-qubit states and prove what are the maximally entangled four-qubit states. Then, we introduce a simple scheme to prepare this kind of states in cavity QED system.
DOI
10.1142/s0219749911007526

Related papers

SCHEME FOR PREPARATION OF W STATE VIA CAVITY QED

Ming Yang, You-Ming Yi, Zhuo‐Liang Cao

In this paper, we presented a physical scheme to generate the multi-cavity maximally entangled W state via cavity QED. All the operations needed in this scheme are to modulate the interaction time only once.

arXiv:quant-ph/0307173•International Journal of Quantum Information•Jun 1, 2004•16 citations

Preparation of multiple separate cavity fields entanglement in cavity QED

Xiang Liu

We present a scheme to produce a maximally entangled state of multiple separate cavity fields based on the resona'nt interaction of a single-mode cavity field and a three-level atom. Firstly we investigate the entanglement of two separate cavity fields, and then generalize this scheme with maximally entangled states to multiple separate cavity fields.

Chinese Journal of Quantum Electronics•Jan 1, 2007•0 citations

Generation of Maximally Entangled States Via Entanglement Swapping

Zhiping Huang

A relatively simple scheme for generating maximally entangled photon-photon and atom-photon states via entanglement swapping using techniques of cavity QED is proposed.The scheme of preparing the maximally entangled photon-photon state does not require the transfer of quantum information between the atoms and cavity.In the scheme the cavity is only virtually excited and thus the requirement on the quality factor of the cavity is greatly loosened.The scheme of preparing the maximally entangled atom-photon state based on the two-photon JaynesCummings model only requires detecting the state of the single atom rather than a joint-Bell measurement.

Journal of Fujian Normal University•Jan 1, 2007•0 citations

Preparation of Atom Entangled States Based on Cavity QED

Xin Jun-li

For the sake of making this kind of useful quantum information resource of quantum entanglement.Here we propose a new prepare process on the foundation of the cavity quantum electrodynamics technique project of the resonance interaction,put forward a kind of making process that atom entangled state.Made to prepare two typical quantum entangled states in cavity QED: GHZ and W states of atoms,which belong to inequivalent classes of entangled states.GHZ state is maximally entangled state,while W states are non-maximally entangled states.They hold many interesting applications in quantum information processing and high-precision measurements.Therefore it is expected to be implemented with the current cavity QED experimental technology.

Natural Science Journal of Xiangtan University•Jan 1, 2009•0 citations

GENERATION OF GENUINE FIVE-QUBIT ENTANGLED STATES IN ION TRAP AND CAVITY QED

Xiu Ru Lin, Wan-Jun Su

Recently, a genuine five-qubit entangled state [Formula: see text] has been proposed by Man et al. In this paper, we present a simple scheme for generating such a state in ion trap and cavity QED, respectively. This study offers a new approach to faithful controlled teleportation of an arbitrary two-qubit state in these two systems.

International Journal of Quantum Information•Jun 15, 2011•1 citation

Quantum nonlocality of generic family of four-qubit entangled pure states

Dong Ding, Ying-Qiu He, Fengli Yan +1 more

We directly introduce a Bell-type inequality for four-qubit systems. Using the inequality we investigate quantum nonlocality of a generic family of states | G abcd 〉 [ Phys. Rev. A 65 052112 (2002)] and several canonical four-qubit entangled states. It has been demonstrated that the inequality is maximally violated by the so called “four-qubit the maximally entangled state | G m 〉” and it is also violated by four-qubit W state and a special family of states | G ab 00 〉. Moreover, a useful entanglement-nonlocality relationship for the family of states | G ab 00 〉 is derived. Finally, we present a scheme of preparation of the state | G m 〉 with linear optics and cross-Kerr nonlinearities.

arXiv:1310.6300•Chinese Physics B•Jun 25, 2015•8 citations
A relatively simple scheme for generating maximally entangled photon-photon and atom-photon states via entanglement swapping using techniques of cavity QED is proposed.The scheme of preparing the maximally entangled photon-photon state does not require the transfer of quantum information between the atoms and cavity.In the scheme the cavity is only virtually excited and thus the requirement on the quality factor of the cavity is greatly loosened.The scheme of preparing the maximally entangled atom-photon state based on the two-photon JaynesCummings model only requires detecting the state of the single atom rather than a joint-Bell measurement.
For the sake of making this kind of useful quantum information resource of quantum entanglement.Here we propose a new prepare process on the foundation of the cavity quantum electrodynamics technique project of the resonance interaction,put forward a kind of making process that atom entangled state.Made to prepare two typical quantum entangled states in cavity QED: GHZ and W states of atoms,which belong to inequivalent classes of entangled states.GHZ state is maximally entangled state,while W states are non-maximally entangled states.They hold many interesting applications in quantum information processing and high-precision measurements.Therefore it is expected to be implemented with the current cavity QED experimental technology.
We directly introduce a Bell-type inequality for four-qubit systems. Using the inequality we investigate quantum nonlocality of a generic family of states | G abcd 〉 [ Phys. Rev. A 65 052112 (2002)] and several canonical four-qubit entangled states. It has been demonstrated that the inequality is maximally violated by the so called “four-qubit the maximally entangled state | G m 〉” and it is also violated by four-qubit W state and a special family of states | G ab 00 〉. Moreover, a useful entanglement-nonlocality relationship for the family of states | G ab 00 〉 is derived. Finally, we present a scheme of preparation of the state | G m 〉 with linear optics and cross-Kerr nonlinearities.