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Journal of Huaihua University

Preparation of Entangled Atomic States Through Simultaneous Three-atom-cavity-field Interaction

Caiyun Zheng

Published Jan 1, 2004• 0 citations
OpenAlex

Abstract

Following a recent scheme by Zheng and Guo, we propose protocols for the generation of three-atom W class of maximally entangled state and an interesting quantum state, which is also the maximally two-atom entangled state. These are based on the simultaneous interaction of three atoms with a single-mode cavity field. Unlike previous scheme, the cavity field in our scheme is initially in thermal states with n photons. Finally, suggestion for experimental probability is given.

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Following a recent scheme by Zheng and Guo, we propose protocols for the generation of three-atom W class of maximally entangled state and an interesting quantum state, which is also the maximally two-atom entangled state. These are based on the simultaneous interaction of three atoms with a single-mode cavity field. Unlike previous scheme, the cavity field in our scheme is initially in thermal states with n photons. Finally, suggestion for experimental probability is given.
A scheme is suggested for the generation of multi-atom maximally entangled states with a cavity in a thermal state. In this scheme several appropriately prepared two-level atoms are simultaneously sent through the nonresonant cavity. We divide the whole atom-cavity interaction time into two equal parts. At the end of the first part a π pulse is applied to the atoms using a classical field. Then the photon-number-dependent shifts on the atomic states are cancelled and the atomic system finally evolves to a maximally entangled state.
A scheme is suggested for the generation of multi-atom maximally entangled states with a cavity in a thermalstate. In this scheme several appropriately prepared two-level atoms are simultaneously sent through the nonresonantcavity. We divide the whole atom-cavity interaction time into two equal parts. At the end of the first part a π pulse isapplied to the atoms using a classical field. Then the photon-number-dependent shifts on the atomic states are cancelledand the atomic system finally evolves to a maximally entangled state.
A scheme is suggested for the generation of multi-atom maximally entangled states with a cavity in a thermalstate. In this scheme several appropriately prepared two-level atoms are simultaneously sent through the nonresonantcavity. We divide the whole atom-cavity interaction time into two equal parts. At the end of the first part a π pulse isapplied to the atoms using a classical field. Then the photon-number-dependent shifts on the atomic states are cancelledand the atomic system finally evolves to a maximally entangled state.