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- Title
New MDS operator quantum error-correcting codes derived from constacyclic codes over Fq2+vFq2.
- Authors
Zhang, Yaozong; Liu, Ying; Hou, Xiaotong; Gao, Jian
- Abstract
Operator quantum error-correcting codes (OQECCs), also known as subsystem codes, can effectively protect quantum information from interference by encoding quantum information in the tensor factor of the subspace of the physical state space. Let R = F q 2 + v F q 2 with v 2 = v and q be an odd prime power. In this paper, by designing some flexible defining sets of the Gray images of Hermitian dual-containing constacyclic codes of length n = q 2 - 1 2 s over R, where s = h ℓ is a divisor of q + 1 , h ≥ 3 is an odd prime and ℓ is a positive integer, we construct two new infinite families of maximum distance separable (MDS) OQECCs with parameters: q 2 - 1 s , q 2 - 1 s - 2 d + 2 - r , r , d q , where 3 ≤ d ≤ q - 1 2 and 0 ≤ r < q 2 - 1 s - 2 d + 2 for ℓ even; q 2 - 1 s , q 2 - 1 s - 2 d + 2 - r , r , d q , where 3 ≤ d ≤ (q + 1) (s + 1) 2 s - 1 and 0 ≤ r < q 2 - 1 s - 2 d + 2 for ℓ odd. Notably, the parameters of these MDS OQECCs are new and not covered by well-known MDS OQECCs constructed from previous literature.
- Subjects
ERROR-correcting codes; QUANTUM operators; QUANTUM interference; FINITE rings; DIVISOR theory; INTEGERS
- Publication
Quantum Information Processing, 2023, Vol 22, Issue 6, p1
- ISSN
1570-0755
- Publication type
Article
- DOI
10.1007/s11128-023-04013-1