Analog of Topological Entanglement Entropy for Mixed States
We propose the convex-roof extension of quantum conditional mutual information (“co(QCMI)”) as a diagnostic of topological order in a mixed state. We focus primarily on topological states subjected to local decoherence, and employ the Levin-Wen scheme to define co(QCMI), so that for a pure state, co...
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| Главные авторы: | , , , |
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| Формат: | Artigo |
| Язык: | Inglês |
| Опубликовано: |
American Physical Society
2025-03-01
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| Серии: | PRX Quantum |
| Online-ссылка: | http://doi.org/10.1103/PRXQuantum.6.010358 |
| Метки: |
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