English

Entanglement in highly symmetric multipartite quantum states

Quantum Physics 2021-09-01 v2

Abstract

We present a construction of genuinely entangled multipartite quantum states based on the group theory. Analyzed states resemble the Dicke states, whereas the interactions occur only between specific subsystems related by the action of the selected group. The states constructed by this technique exhibit desired symmetry properties and form a natural resource for less-symmetric quantum informational tasks. We propose quantum circuits efficiently generating such states, which in general have smaller complexity than the circuits necessary to create fully symmetric entangled states.

Keywords

Cite

@article{arxiv.2105.12721,
  title  = {Entanglement in highly symmetric multipartite quantum states},
  author = {Adam Burchardt and Jakub Czartowski and Karol Życzkowski},
  journal= {arXiv preprint arXiv:2105.12721},
  year   = {2021}
}

Comments

22 pages, 16 figures