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arxiv: 0811.4245 · v1 · pith:DFEIOS6Jnew · submitted 2008-11-26 · 🪐 quant-ph

Globally controlled universal quantum computation with arbitrary subsystem dimension

classification 🪐 quant-ph
keywords dimensionquantumsubsystemarbitrarycomputationschemeuniversalancillary
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We introduce a scheme to perform universal quantum computation in quantum cellular automata (QCA) fashion in arbitrary subsystem dimension (not necessarily finite). The scheme is developed over a one spatial dimension $N$-element array, requiring only mirror symmetric logical encoding and global pulses. A mechanism using ancillary degrees of freedom for subsystem specific measurement is also presented.

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