Quantum error correction and large
arXiv:2008.12869 · doi:10.21468/SciPostPhys.11.5.094
Abstract
In recent years quantum error correction(QEC) has become an important part of AdS/CFT. Unfortunately, there are no field-theoretic arguments about why QEC holds in known holographic systems. The purpose of this paper is to fill this gap by studying the error correcting properties of the fermionic sector of various large theories. Specifically we examine matrix quantum mechanics and 3-rank tensor theories. Both of these theories contain large gauge groups. We argue that gauge singlet states indeed form a quantum error correcting code. Our considerations are based purely on large analysis and do not appeal to a particular form of Hamiltonian or holography.
v1: 21 pages + appendices, 6 figures. v2: typos corrected. v3: minor corrections
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