| Autor: |
Behrman, E. C., Bonde, R. E. F., Steck, J. E., Behrman, J. F. |
| Rok vydání: |
2013 |
| Předmět: |
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| Zdroj: |
IEEE-Transactions on Neural Networks and Learning Systems 25, 1696-1703 (2014) |
| Druh dokumentu: |
Working Paper |
| Popis: |
Entanglement of a quantum system depends upon relative phase in complicated ways, which no single measurement can reflect. Because of this, entanglement witnesses are necessarily limited in applicability and/or utility. We propose here a solution to the problem using quantum neural networks. A quantum system contains the information of its entanglement; thus, if we are clever, we can extract that information efficiently. As proof of concept, we show how this can be done for the case of pure states of a two-qubit system, using an entanglement indicator corrected for the anomalous phase oscillation. Both the entanglement indicator and the phase correction are calculated by the quantum system itself acting as a neural network. |
| Databáze: |
arXiv |
| Externí odkaz: |
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