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On the Exact Variance of Tsallis Entanglement Entropy in a Random Pure State
The Tsallis entropy is a useful one-parameter generalization to the standard von Neumann entropy in quantum information theory. In this work, we study the variance of the Tsallis entropy of bipartite quantum systems in a random pure state. The main result is an exact variance formula of the Tsallis...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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MDPI
2019
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7515028/ https://www.ncbi.nlm.nih.gov/pubmed/33267253 http://dx.doi.org/10.3390/e21050539 |