Permutation-Invariant Quantum Codes for Deletion Errors

Abstract

This paper presents conditions for constructing permutation-invariant quantum codes for deletion errors and provides a method for constructing them. Our codes give the first example of quantum codes that can correct two or more deletion errors. Also, our codes give the first example of quantum codes that can correct both multiple-qubit errors and multiple-deletion errors. We also discuss a generalization of the construction of our codes at the end.

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• The equivalence between correctability of deletions and insertions of separable states in quantum codes