Bounds on the minimum distance of additive quantum codes

Bounds on [[26,9]]2

lower bound:5
upper bound:7

Construction

Construction of a [[26,9,5]] quantum code:
[1]:  [[26, 12, 5]] quantum code over GF(2^2)
     quasicyclic code of length 26 stacked to height 2 with 4 generating polynomials
[2]:  [[26, 9, 5]] quantum code over GF(2^2)
     Subcode of [1]

    stabilizer matrix:

      [1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 1 0 0|0 0 1 0 0 1 1 0 1 0 0 1 0 1 0 1 1 1 1 0 0 0 1 1 1 1]
      [0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 1 1 0 0 0|1 1 1 1 1 0 1 1 0 1 0 1 1 1 1 1 1 1 0 0 0 0 0 0 1 1]
      [0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 0 0 1 0|0 1 1 1 1 0 1 1 1 1 0 0 0 1 1 1 1 0 0 0 0 0 0 1 0 0]
      [0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 1 1 1 0|0 1 0 1 0 0 1 0 1 0 0 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1]
      [0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 1|1 1 0 0 0 1 1 1 0 0 1 1 0 1 1 0 0 0 0 0 1 1 1 1 1 0]
      [0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0|0 1 1 0 0 0 1 1 0 0 0 1 1 1 1 1 0 0 0 1 1 1 1 0 1 1]
      [0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1|1 1 0 1 1 1 1 1 1 1 1 1 0 0 1 0 1 1 0 1 0 1 0 0 0 0]
      [0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 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 1 1 0 0 0 1]
      [0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1|0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 0]
      [0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 1 1 0 1 1|0 1 1 0 1 1 1 0 0 1 1 1 1 1 0 1 0 1 0 1 1 1 0 1 1 1]
      [0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1|1 1 0 1 1 0 0 0 1 1 0 0 0 1 1 1 1 1 0 0 1 0 0 0 1 0]
      [0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 1 1 0 1|1 0 0 0 0 1 0 0 1 1 1 1 0 1 1 0 1 1 0 0 1 1 0 0 0 1]
      [0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 1 0|0 1 0 0 0 0 1 1 1 1 1 1 1 0 1 1 0 1 0 1 1 0 1 1 0 0]
      [0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 0 1 1 1 0 1 0|1 1 1 0 1 0 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 1 1 1 0 0]
      [0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 1 1 1 1 0|0 0 0 1 1 0 1 1 1 0 1 1 0 0 0 1 1 1 1 1 0 1 1 1 1 1]
      [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 1 0 0|0 0 0 0 1 1 0 0 1 1 0 1 1 0 0 0 1 1 0 1 0 1 0 0 1 1]
      [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|0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0]

last modified: 2005-06-27

Notes


This page is maintained by Markus Grassl (codes@codetables.de). Last change: 23.10.2014