Unifying error-correcting code/Narain CFT correspondences via lattices over integers of cyclotomic fields

We identify Narain conformal field theories (CFTs) that correspond to code lattices for quantum error-correcting codes (QECC) over integers of cyclotomic fields Q(ζp) (ζp=e2πip) for general prime p≥3. This code-lattice construction is a generalization of more familiar ones such as Construction AC fo...

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Main Authors: Shun'ya Mizoguchi, Takumi Oikawa
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269325000681
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author Shun'ya Mizoguchi
Takumi Oikawa
author_facet Shun'ya Mizoguchi
Takumi Oikawa
author_sort Shun'ya Mizoguchi
collection DOAJ
description We identify Narain conformal field theories (CFTs) that correspond to code lattices for quantum error-correcting codes (QECC) over integers of cyclotomic fields Q(ζp) (ζp=e2πip) for general prime p≥3. This code-lattice construction is a generalization of more familiar ones such as Construction AC for ternary codes and (after the generalization stated below) Construction A for binary codes, containing them as special cases. This code-lattice construction is redescribed in terms of root and weight lattices of Lie algebras, which allows to construct lattices for codes over rings Zq with non-prime q. Corresponding Narain CFTs are found for codes embedded into quotient rings of root and weight lattices of ADE series, except E8 and Dk with k even. In a sense, this provides a unified description of the relationship between various QECCs over Fp (or Zq) and Narain CFTs. A further extension on constructing the E8 lattice from codes over the Mordell-Weil groups of extremal rational elliptic surfaces is also briefly discussed.
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spelling doaj-art-7384d830946b4014b4a5cc30126c01742025-02-12T05:30:28ZengElsevierPhysics Letters B0370-26932025-03-01862139308Unifying error-correcting code/Narain CFT correspondences via lattices over integers of cyclotomic fieldsShun'ya Mizoguchi0Takumi Oikawa1Theory Center, Institute of Particle and Nuclear Studies, KEK, Tsukuba, Ibaraki, 305-0801, Japan; SOKENDAI (The Graduate University for Advanced Studies), Tsukuba, Ibaraki, 305-0801, Japan; Corresponding author.SOKENDAI (The Graduate University for Advanced Studies), Tsukuba, Ibaraki, 305-0801, JapanWe identify Narain conformal field theories (CFTs) that correspond to code lattices for quantum error-correcting codes (QECC) over integers of cyclotomic fields Q(ζp) (ζp=e2πip) for general prime p≥3. This code-lattice construction is a generalization of more familiar ones such as Construction AC for ternary codes and (after the generalization stated below) Construction A for binary codes, containing them as special cases. This code-lattice construction is redescribed in terms of root and weight lattices of Lie algebras, which allows to construct lattices for codes over rings Zq with non-prime q. Corresponding Narain CFTs are found for codes embedded into quotient rings of root and weight lattices of ADE series, except E8 and Dk with k even. In a sense, this provides a unified description of the relationship between various QECCs over Fp (or Zq) and Narain CFTs. A further extension on constructing the E8 lattice from codes over the Mordell-Weil groups of extremal rational elliptic surfaces is also briefly discussed.http://www.sciencedirect.com/science/article/pii/S0370269325000681
spellingShingle Shun'ya Mizoguchi
Takumi Oikawa
Unifying error-correcting code/Narain CFT correspondences via lattices over integers of cyclotomic fields
Physics Letters B
title Unifying error-correcting code/Narain CFT correspondences via lattices over integers of cyclotomic fields
title_full Unifying error-correcting code/Narain CFT correspondences via lattices over integers of cyclotomic fields
title_fullStr Unifying error-correcting code/Narain CFT correspondences via lattices over integers of cyclotomic fields
title_full_unstemmed Unifying error-correcting code/Narain CFT correspondences via lattices over integers of cyclotomic fields
title_short Unifying error-correcting code/Narain CFT correspondences via lattices over integers of cyclotomic fields
title_sort unifying error correcting code narain cft correspondences via lattices over integers of cyclotomic fields
url http://www.sciencedirect.com/science/article/pii/S0370269325000681
work_keys_str_mv AT shunyamizoguchi unifyingerrorcorrectingcodenaraincftcorrespondencesvialatticesoverintegersofcyclotomicfields
AT takumioikawa unifyingerrorcorrectingcodenaraincftcorrespondencesvialatticesoverintegersofcyclotomicfields