Entanglement of distant superconducting quantum interference device rings

Z. Ahmad Zukarnain, ANASTASIA KONSTANTOPOULOU, A. Vourdas, R. Migliore, A. Messina

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We consider two distant mesoscopic SQUID rings, approximated with two-level systems, interacting with two-mode microwaves. The Hamiltonian of the system is used to calculate its time evolution. The cases with microwaves which at t = 0 are in separable states (classically correlated) or entangled states (quantum mechanically correlated) are studied. It is shown that the Josephson currents in the two SQUID rings are also correlated.
Original languageEnglish
Pages (from-to)S721-S727
Number of pages7
JournalJournal of Optics B: Quantum and Semiclassical Optics
Volume7
Issue number12
Early online date22 Nov 2005
Publication statusPublished - 2005

Keywords

  • SQUIDs
  • Josephson devices
  • entaglement
  • Quantum Information Processing

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