Nonbinary quantum codes from Hermitian curves
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abstract
The extreme sensitivity of quantum information to ambient noise has prompted the study of quantum error-correcting codes. In this paper two families of quantum error-correcting codes are constructed based on Hermitian curves. Unlike the case of classical codes, it is a difficult, sometimes impossible, task to puncture a quantum stabilizer code. The puncture code of Hermitian codes is computed that allows one to determine the admissible puncturings. A large number of punctured Hermitian codes are derived by exploiting known facts about the weight distribution of these puncture codes. Springer-Verlag Berlin Heidelberg 2006.