Prakash Shiroman
Department of Physics and Computer Science, Dayalbagh Educational Institute, Dayalbagh, Agra 282005, India.
Proc Math Phys Eng Sci. 2020 Sep;476(2241):20200187. doi: 10.1098/rspa.2020.0187. Epub 2020 Sep 2.
The ternary Golay code-one of the first and most beautiful classical error-correcting codes discovered-naturally gives rise to an 11-qutrit quantum error correcting code. We apply this code to magic state distillation, a leading approach to fault-tolerant quantum computing. We find that the 11-qutrit Golay code can distil the 'most magic' qutrit state-an eigenstate of the qutrit Fourier transform known as the -with cubic error suppression and a remarkably high threshold. It also distils the 'second-most magic' qutrit state, the Norell state, with quadratic error suppression and an equally high threshold to depolarizing noise.
三元戈莱码——最早发现且最为优美的经典纠错码之一——自然地引出了一种11量子三态量子纠错码。我们将此码应用于魔法态蒸馏,这是容错量子计算的一种主要方法。我们发现,11量子三态戈莱码能够以三次方误差抑制和极高的阈值蒸馏出“最具魔法性”的量子三态——量子三态傅里叶变换的一个本征态,即 态。它还能以二次方误差抑制和同样高的去极化噪声阈值蒸馏出“第二最具魔法性”的量子三态,即诺雷尔态。