lower bound: | 12 |
upper bound: | 14 |
Construction of a [[40,0,12]] quantum code: [1]: [[40, 0, 12]] self-dual quantum code over GF(2^2) quasicyclic code of length 40 stacked to height 2 with 4 generating polynomials stabilizer matrix: [1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 0 1 1|0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 0 1 1 0 0 0 0 0 0 1 1 1 1 0 0 1 0 1 0 0 0 0 0 1 0] [0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 1 1 1 1|0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 1 1 0 0 0 0 1 1 0 1 0 1 1 0 0 1 0 0 1 1 1 0 0 1 1] [0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 0 1|0 0 0 0 0 0 0 0 1 0 1 0 1 1 1 0 0 0 1 0 1 1 0 1 1 0 0 1 0 0 1 0 0 0 0 0 1 0 1 1] [0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 0|0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 0 1 1 1] [0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0|0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 0 1 1 0 1 1 0 0 0 1 1 1 0 0 1 1 0 1 1 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