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Article overview
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Long-range quantum gates using dipolar crystals | Hendrik Weimer
; Norman Y. Yao
; Chris R. Laumann
; Mikhail D. Lukin
; | Date: |
5 Sep 2011 | Abstract: | We propose the use of dipolar spin chains to enable long-range quantum logic
between distant qubits. In our approach, an effective interaction between
remote qubits is achieved by adiabatically following the ground state of the
dipolar chain across the paramagnet to crystal phase transition. We demonstrate
that the proposed quantum gate is particularly robust against disorder and
derive scaling relations, showing that high-fidelity qubit coupling is possible
in the presence of realistic imperfections. Possible experimental
implementations in systems ranging from ultracold Rydberg atoms to arrays of
Nitrogen-Vacancy defect centers in diamond are discussed. | Source: | arXiv, 1109.1003 | Services: | Forum | Review | PDF | Favorites |
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