【作者单位】1Department of Mathematics, Taiyuan Normal University, Yuci, 030619, Shanxi, China;2School of Mathematical Sciences, Inner Mongolia University, Hohhot, 010021, China
【年份】2023
【卷号】Vol.22 No.2
【页码】102
【关键词】Unextendible product basis Coarsening system Extension
【摘要】 It has been shown that there exist unextendible product bases with sizes of 6, 8, 9, and 10 in the 5-qubit system. These product vectors are not UPB any more when they are regarded as product vectors in the coarsened systems ). In this paper, we sho...
