A 2 rebit gate universal for quantum computing
Quantum Physics
2007-05-23 v1
Abstract
We show, within the circuit model, how any quantum computation can be efficiently performed using states with only real amplitudes (a result known within the Quantum Turing Machine model). This allows us to identify a 2-qubit (in fact 2-rebit) gate which is universal for quantum computing, although it cannot be used to perform arbitrary unitary transformations.
Cite
@article{arxiv.quant-ph/0210187,
title = {A 2 rebit gate universal for quantum computing},
author = {Terry Rudolph and Lov Grover},
journal= {arXiv preprint arXiv:quant-ph/0210187},
year = {2007}
}
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2 pages