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Title: A proposal for the realization of universal quantum gates via superconducting qubits inside a cavity

A family of quantum logic gates is proposed via superconducting (SC) qubits coupled to a SC-cavity. The Hamiltonian for SC-charge qubits inside a single mode cavity is considered. Three- and two-qubit operations are generated by applying a classical magnetic field with the flux. Therefore, a number of quantum logic gates are realized. Numerical simulations and calculation of the fidelity are used to prove the success of these operations for these gates. -- Highlights: •A family of quantum logic gates is proposed via SC-qubits coupled to a cavity. •Three- and two-qubit operations are generated via a classical field with the flux. •Numerical simulations and calculation of the fidelity are used to prove the success of these operations for these gates.
Authors:
 [1] ;  [2] ;  [2] ;  [3] ;  [4]
  1. Faculty of Science, Al-Azhar University, Nasr City, Cairo (Egypt)
  2. Faculty of Science, Assiut University, Assiut (Egypt)
  3. (Saudi Arabia)
  4. Faculty of Science, Al-Azhar University, Assiut (Egypt)
Publication Date:
OSTI Identifier:
22220744
Resource Type:
Journal Article
Resource Relation:
Journal Name: Annals of Physics (New York); Journal Volume: 334; Other Information: Copyright (c) 2013 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; CAVITIES; COMPUTERIZED SIMULATION; HAMILTONIANS; QUANTUM COMPUTERS; QUBITS