Generation of multipartite entangled states in Josephson architectures

Rosanna Migliore, Kazuya Yuasa, Hiromichi Nakazato, Antonino Messina

研究成果: Article査読

24 被引用数 (Scopus)

抄録

We propose and analyze a scheme for the generation of multipartite entangled states in a system of inductively coupled Josephson flux qubits. The qubits have fixed eigenfrequencies during the whole process in order to minimize decoherence effects and their inductive coupling can be turned on and off at will by tuning an external control flux. Within this framework, we will show that a W state in a system of three or more qubits can be generated by exploiting the sequential one by one coupling of the qubits with one of them playing the role of an entanglement mediator.

本文言語English
論文番号104503
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
74
10
DOI
出版ステータスPublished - 2006

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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