Reversible universal quantum computation within translation invariant systems

Details Reversible universal quantum computation within translation invariant systems Reversible universal quantum computation within translation invariant systems

2005-02-23

arxiv.org/abs/quant-ph/0502143v1

Phys. Rev. A 73, 012324 (2006)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.73.012324

We show how to perform reversible universal quantum computation on a translationally invariant pure state, using only global operations based on next-neighbor interactions. We do not need not to break the translational symmetry of the state at any time during the computation. Since the proposed scheme fulfills the locality condition of a quantum cellular automata, we present a reversible quantum cellular automaton capable of universal quantum computation.

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