English

Deterministic interconversion of GHZ state and KLM state via Lie-transform-based pulse design in Rydberg atoms

Quantum Physics 2024-05-27 v1

Abstract

Conversion between different types of entangled states is an interesting problem in quantum mechanics. But research on the conversion between Greenberger-Horne-Zeilinger (GHZ) state and Knill-Laflamme-Milburn (KLM) state in atomic system is absent. In this paper, we propose a scheme to realize the interconversion (one-step) between GHZ state and KLM state with Rydberg atoms. By utilizing Rydberg-mediated interactions, we simplify the system. By combining Lie-transform-based pulse design, the evolution path is built up to realize interconversion of GHZ state and KLM state. The numerical simulation result shows that the present scheme is robust against decoherence and operational imperfection, the analysis shows that the scheme is feasible with current experimental technology.

Keywords

Cite

@article{arxiv.2405.15456,
  title  = {Deterministic interconversion of GHZ state and KLM state via Lie-transform-based pulse design in Rydberg atoms},
  author = {J. P. Wang and Y. Q. Ji and L. P. Yang and C. Q. Wang and L. Dong and X. M. Xiu},
  journal= {arXiv preprint arXiv:2405.15456},
  year   = {2024}
}

Comments

11 pages, 8 figures