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Ancilla-based quantum simulation
Katherine L. Brown, Suvabrata De, Vivien M. Kendon +1
We consider simulating the BCS Hamiltonian, a model of low temperature superconductivity, on a quantum computer. In particular we consider conducting the simulation on the qubus qu…
A superconducting qubit as a quantum transformer routing entanglement between a microscopic quantum memory and a macroscopic resonator
Alexander Kemp, Shiro Saito, William J. Munro +2
We demonstrate experimentally the creation and measurement of an entangled state between a microscopic two level system and a macroscopic superconducting resonator where their indi…
Quantum Tagging: Authenticating Location via Quantum Information and Relativistic Signalling Constraints
Adrian Kent, William J. Munro, Timothy P. Spiller
We define the task of {\it quantum tagging}, that is, authenticating the classical location of a classical tagging device by sending and receiving quantum signals from suitably loc…
Reduce, reuse, recycle, for robust cluster state generation
Dominic Horsman, Katherine L. Brown, William J. Munro +1
Efficient generation of cluster states is crucial for engineering large-scale measurement-based quantum computers. Hybrid matter-optical systems offer a robust, scalable path to th…
Using Quantum Computers for Quantum Simulation
Katherine L Brown, William J Munro, Vivien M Kendon
Numerical simulation of quantum systems is crucial to further our understanding of natural phenomena. Many systems of key interest and importance, in areas such as superconducting…
Quantum Analogue Computing
Vivien M. Kendon, Kae Nemoto, William J. Munro
We briefly review what a quantum computer is, what it promises to do for us, and why it is so hard to build one. Among the first applications anticipated to bear fruit is quantum s…