Robust controlled-NOT gates from almost any interaction

Hill, Charles D. (2007) Robust controlled-NOT gates from almost any interaction. Physical Review Letters, 98 18: 180501-1-180501-4. doi:10.1103/PhysRevLett.98.180501

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Author Hill, Charles D.
Title Robust controlled-NOT gates from almost any interaction
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2007-05-01
Year available 2007
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.98.180501
Open Access Status File (Publisher version)
Volume 98
Issue 18
Start page 180501-1
End page 180501-4
Total pages 4
Editor George Basbas
Jack Sandweiss
Reinhardt B. Schuhmann
Stanley G. Brown
Place of publication United States
Publisher American Physical Society
Collection year 2008
Language eng
Subject 240201 Theoretical Physics
780102 Physical sciences
Abstract There are many cases where the interaction between two qubits is not precisely known, but single-qubit operations are available. In this Letter we show how, regardless of an incomplete knowledge of the strength or form of the interaction between two qubits, it is often possible to construct a controlled-NOT gate which has arbitrarily high fidelity. In particular, we show that oscillations in the strength of the exchange interaction in solid state Si and Ge structures are correctable.
Q-Index Code C1
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