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Scalable register initialization for quantum computing in an optical lattice
Gavin K. Brennen, Guido Pupillo, Ana Maria Rey +2
The Mott insulator state created by loading an atomic Bose-Einstein condensate (BEC) into an optical lattice may be used as a means to prepare a register of atomic qubits in a quan…
Canonical Decompositions of n-qubit Quantum Computations and Concurrence
Stephen S. Bullock, Gavin K. Brennen
The two-qubit canonical decomposition SU(4) = [SU(2) \otimes SU(2)] Delta [SU(2) \otimes SU(2)] writes any two-qubit quantum computation as a composition of a local unitary, a rela…
Entanglement Dynamics in 1D Quantum Cellular Automata
Gavin K. Brennen, Jamie E. Williams
Several proposed schemes for the physical realization of a quantum computer consist of qubits arranged in a cellular array. In the quantum circuit model of quantum computation, an…
An observable measure of entanglement for pure states of multi-qubit systems
Gavin K. Brennen
Recently, Meyer and Wallach [D.A. Meyer and N.R. Wallach (2002), J. of Math. Phys., 43, pp. 4273] proposed a measure of multi-qubit entanglement that is a function on pure states.…
A Quantum Computer Architecture using Nonlocal Interactions
Gavin K. Brennen, Daegene Song, Carl J. Williams
Several authors have described the basic requirements essential to build a scalable quantum computer. Because many physical implementation schemes for quantum computing rely on nea…