Permutation-invariant codes encoding more than one qubit
Quantum Physics
2016-05-04 v2
Abstract
A permutation-invariant code on m qubits is a subspace of the symmetric subspace of the m qubits. We derive permutation-invariant codes that can encode an increasing amount of quantum information while suppressing leading order spontaneous decay errors. To prove the result, we use elementary number theory with prior theory on permutation invariant codes and quantum error correction.
Cite
@article{arxiv.1512.02469,
title = {Permutation-invariant codes encoding more than one qubit},
author = {Yingkai Ouyang and Joseph Fitzsimons},
journal= {arXiv preprint arXiv:1512.02469},
year = {2016}
}
Comments
4 pages, minor changes