626 citations
- Bristol Laboratories (United Kingdom)GB8 papers
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- Ben-Gurion University of the NegevIL1 paper
- Bristol Robotics LaboratoryGB1 paper
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- Université Libre de BruxellesBE1 paper
11 papers · 1 filter
Generalized parity measurements
Radu Ionicioiu, Anca E. Popescu, William J. Munro +1
Measurements play an important role in quantum computing (QC), by either providing the nonlinearity required for two-qubit gates (linear optics QC), or by implementing a quantum al…
Quantum Auctions using Adiabatic Evolution: The Corrupt Auctioneer and Circuit Implementations
Saikat Guha, Tad Hogg, David Fattal +2
We examine a proposed auction using quantum states to represent bids and distributed adiabatic search to find the winner. When the auctioneer follows the protocol, the final measur…
Communication Links for Distributed Quantum Computation
Rodney Van Meter, Kae Nemoto, W. J. Munro
Distributed quantum computation requires quantum operations that act over a distance on error-correction encoded states of logical qubits, such as the transfer of qubits via telepo…
On the entanglement concentration of three-partite states
Berry Groisman, Noah Linden, Sandu Popescu
We investigate the concentration of multi-party entanglement by focusing on simple family of three-partite pure states, superpositions of Greenberger-Horne-Zeilinger states and sin…
Quantum Computing with Spin Qubits Interacting Through Delocalized Excitons: Overcoming Hole Mixing
Brendon W. Lovett, Ahsan Nazir, Ehoud Pazy +3
As a candidate scheme for controllably coupled qubits, we consider two quantum dots, each doped with a single electron. The spin of the electron defines our qubit basis and trion s…
On the quantum, classical and total amount of correlations in a quantum state
Berry Groisman, Sandu Popescu, Andreas Winter
We give an operational definition of the quantum, classical and total amount of correlations in a bipartite quantum state. We argue that these quantities can be defined via the amo…