%0 Journal Article %T Quantum Goethals-Preparata Codes %A Markus Grassl %A Martin Roetteler %J Mathematics %D 2008 %I arXiv %R 10.1109/ISIT.2008.4594996 %X We present a family of non-additive quantum codes based on Goethals and Preparata codes with parameters ((2^m,2^{2^m-5m+1},8)). The dimension of these codes is eight times higher than the dimension of the best known additive quantum codes of equal length and minimum distance. %U http://arxiv.org/abs/0801.2150v1