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- The University of MelbourneAU21 papers
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7 papers · 2 filters
Quantum Error Correction on Linear Nearest Neighbor Qubit Arrays
Austin G. Fowler, Charles D. Hill, Lloyd C. L. Hollenberg
A minimal depth quantum circuit implementing 5-qubit quantum error correction in a manner optimized for a linear nearest neighbor architecture is described. The canonical decomposi…
Components for Optical Qubits in the Radio Frequency Basis
E. H. Huntington, T. C. Ralph
We describe a scheme for the encoding and manipulation of single photon qubits in radio frequency sideband modes using standard optical elements.
Noncontextuality, Finite Precision Measurement and the Kochen-Specker Theorem
Jonathan Barrett, Adrian Kent
Meyer recently queried whether non-contextual hidden variable models can, despite the Kochen-Specker theorem, simulate the predictions of quantum mechanics to within any fixed fini…
Numerical Analysis of the Capacities for Two-Qubit Unitary Operations
Dominic W. Berry, Barry C. Sanders
We present numerical results on the capacities of two-qubit unitary operations for creating entanglement and increasing the Holevo information of an ensemble. In all cases tested,…
Scalability of Shor's algorithm with a limited set of rotation gates
Austin G. Fowler, Lloyd C. L. Hollenberg
Typical circuit implementations of Shor's algorithm involve controlled rotation gates of magnitude where is the binary length of the integer N to be factored. Such g…
Spin squeezing criterion with local unitary invariance
A. R. Usha Devi, Xiaoguang Wang, Barry C Sanders
We propose a new spin squeezing criterion for arbitrary multi-qubit states that is invariant under local unitary operations. We find that, for arbitrary pure two-qubit states, spin…