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Measurement-based quantum computation with trapped ions | | B. P. Lanyon
; P. Jurcevic
; M. Zwerger
; C. Hempel
; E. A. Martinez
; W. Dür
; H. J. Briegel
; R. Blatt
; C. F. Roos
; | | Date: |
23 Aug 2013 | | Abstract: | Measurement-based quantum computation (MBQC) represents a powerful and
flexible framework for quantum information processing, based on the notion of
entangled quantum states as computational resources. The most prominent
application is the one-way quantum computer, with the cluster state as its
universal resource. Here we demonstrate the principles of MBQC using
deterministically generated graph states of up to 7 qubits, in a system of
trapped atomic ions. Firstly we implement a universal set of operations for
quantum computing. Secondly we demonstrate a family of measurement-based
quantum error correction codes, and show their improved performance as the code
length is increased. We show that all our graph states violate a multipartite
Bell inequality and are therefore capable of information processing tasks that
cannot be described by a local hidden variable model. The methods presented can
directly be scaled up to generate graph states of several tens of qubits. | | Source: | arXiv, 1308.5102 | | Services: | Forum | Review | PDF | Favorites | |
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