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arXiv · 2202.00248

Entanglement-Assisted Quantum Error-Correcting Codes over Local Frobenius Rings

Tania Sidana·Navin Kashyap
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Abstract

In this paper, we provide a framework for constructing entanglement-assisted quantum error-correcting codes (EAQECCs) from classical additive codes over a finite commutative local Frobenius ring $\mathcal{R}$. At the heart of the framework, and this is one of the main technical contributions of our paper, is a procedure to construct, for an additive code $\mathcal{C}$ over $\mathcal{R}$, a generating set for $\mathcal{C}$ that is in standard form, meaning that it consists purely of isotropic generators and hyperbolic pairs. Moreover, when $\mathcal{R}$ is a Galois ring, we give an exact expression for the minimum number of pairs of maximally entangled qudits required to construct an EAQECC from an additive code over $\mathcal{R}$, which significantly extends known results for EAQECCs over finite fields. We also demonstrate how adding extra coordinates to an additive code can give us a certain degree of flexibility in determining the parameters of the EAQECCs that result from our construction.

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Tania Sidana, Navin Kashyap. 2022-02-01. Entanglement-Assisted Quantum Error-Correcting Codes over Local Frobenius Rings. https://arxiv.org/abs/2202.00248

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