Permutationally invariant codes for quan
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Harriet Pollatsek; Mary Beth Ruskai
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Article
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2004
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Elsevier Science
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English
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A permutationally invariant n-bit code for quantum error correction can be realized as a subspace stabilized by the non-Abelian group S n . The code is spanned by bases for the trivial representation, and all other irreducible representations, both those of higher dimension and orthogonal bases for