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Entanglement properties of topological color codes

✍ Scribed by Kargarian, Mehdi

Book ID
120034397
Publisher
The American Physical Society
Year
2008
Tongue
English
Weight
229 KB
Volume
78
Category
Article
ISSN
1050-2947

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## Abstract We introduce a two‐body quantum Hamiltonian model with spins‐${1 \over 2}$ located on the vertices of a 2D spatial lattice. The model exhibits an exact topological degeneracy in all coupling regimes. This is a remarkable non‐perturbative effect. The model has a **Z**~2~Γ— **Z**~2~ gauge

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