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

Communications in Theoretical Physics

Entanglement and Phase-Covariant Cloning for Multiple Trapped Ions via Adiabatic Passage

LU Dao-ming, Zheng Shi-Biao

Published Mar 1, 2008• 1 citation
Publisher

Abstract

We describe a scheme for the generation of W states and implementation of phase-covariant cloning for n trapped ions. The scheme does not use the vibational mode as the memory and works beyond the Lamb-Dicke regime. The procedure is robust against moderate fluctuations of experimental parameters by using adiabatic passage.
DOI
10.1088/0253-6102/49/3/27

Related papers

Entanglement and Phase-Covariant Cloning for Multiple Trapped Ions via Adiabatic Passage

Lǔ, Dao-Ming, Zheng Zheng +1 more

我们描述一个计划因为 W 状态和为 n 克隆的 phase-covariant 的实现的产生套住离子。计划不在 Lamb-Dicke 政体以外把 vibational 模式用作记忆和工作。过程对由使用断热的经过的试验性的参数的中等变化是柔韧的。

理论物理通讯:英文版•Jan 1, 2008•0 citations

Multi-atom entanglement engineering and phase-covariant cloning via adiabatic passage

Shi‐Biao Zheng

A scheme is proposed for the generation of entangled states for multiple atoms trapped in an optical cavity via adiabatic passage. In the scheme, both the atomic system and the cavity have no probability of being excited. Thus both the atomic spontaneous emission and the cavity decay are suppressed, which makes our scheme very robust against decoherence. Taking advantage of the adiabatic process, the scheme does not require accurate adjustment of the interaction time. Furthermore, the scheme is scalable in principle. The idea can also be used for realizing phase-covariant cloning.

Journal of Optics B Quantum and Semiclassical Optics•Apr 15, 2005•22 citations

ENTANGLEMENT GENERATION AND CONCENTRATION VIA ADIABATIC EVOLUTION WITH TRAPPED IONS

Ping Dong, Gang Zhang, Ming Yang +1 more

We propose two schemes via adiabatic evolution of dark eigenstates in an ion trap system. One is an entanglement generation of multi-ion cluster states, the other is entanglement concentration via entanglement swapping. Our schemes are robust against moderate fluctuations of experimental parameters since we utilize the adiabatic passage in the main procedure. The current idea can be generalized to other systems.

Modern Physics Letters B•Jan 9, 2008•2 citations

Implementing 1→M Phase-covariant Cloning via Preparing W State in Ion-trap System

Ai‐Dong Zhu

We present a scheme to implement 1→M phase-covariant cloning via preparing a W state in ion-trap system.In our protocol,the interactions between the N ions and the vibration mode are asymmetric.By adjusting the phases of the laser fields,a maximal fidelity can be reached.Throughout the whole procedure the vibration mode remains in the vacuum state and thus the decoherence can be suppressed effectively.

Journal of Yanbian University•Jan 1, 2009•0 citations

Implementing a Universal Quantum Cloning Machine via Adiabatic Evolution in Ion-Trap System

Rong‐Can Yang, Hongcai Li, Lin Xiu +2 more

A scheme for the realization of a universal quantum cloning machine is proposed in this paper. The present protocol does not need the vibrational mode to act as the memory and it is robust against small changes of experimental parameters due to adiabatic passages. Furthermore, the scheme may be realized based on current technology.

Communications in Theoretical Physics•Jan 1, 2008•1 citation

Scheme for the implementation of 1 → 3 optimal phase-covariant quantum cloning in ion-trap systems

Rong‐Can Yang, Hongcai Li, Lin Xiu +2 more

This paper proposes a scheme for the implementation of 1 → 3 optimal phase-covariant quantum cloning with trapped ions. In the present protocol, the required time for the whole procedure is short due to the resonant interaction, which is important in view of decoherence. Furthermore, the scheme is feasible based on current technologies.

Chinese Physics B•Mar 1, 2008•8 citations
A scheme is proposed for the generation of entangled states for multiple atoms trapped in an optical cavity via adiabatic passage. In the scheme, both the atomic system and the cavity have no probability of being excited. Thus both the atomic spontaneous emission and the cavity decay are suppressed, which makes our scheme very robust against decoherence. Taking advantage of the adiabatic process, the scheme does not require accurate adjustment of the interaction time. Furthermore, the scheme is scalable in principle. The idea can also be used for realizing phase-covariant cloning.