A passive self-correcting quantum memory in three dimensions
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866913112915968000 |
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| author | Balasubramanian, Shankar Davydova, Margarita Lin, Ting-Chun |
| author_facet | Balasubramanian, Shankar Davydova, Margarita Lin, Ting-Chun |
| contents | We construct a 3D Pauli stabilizer Hamiltonian whose ground state space can encode a qubit for exponential time when coupled to a bath at non-zero temperature. Our construction recursively applies a sequence of transformations to a seed Hamiltonian that increases the memory lifetime of the encoded qubit while maintaining geometric locality in $\mathbb{R}^3$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_10943 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A passive self-correcting quantum memory in three dimensions Balasubramanian, Shankar Davydova, Margarita Lin, Ting-Chun Quantum Physics Strongly Correlated Electrons Information Theory Mathematical Physics Metric Geometry We construct a 3D Pauli stabilizer Hamiltonian whose ground state space can encode a qubit for exponential time when coupled to a bath at non-zero temperature. Our construction recursively applies a sequence of transformations to a seed Hamiltonian that increases the memory lifetime of the encoded qubit while maintaining geometric locality in $\mathbb{R}^3$. |
| title | A passive self-correcting quantum memory in three dimensions |
| topic | Quantum Physics Strongly Correlated Electrons Information Theory Mathematical Physics Metric Geometry |
| url | https://arxiv.org/abs/2605.10943 |