Enhancing the capacity of quantum dense coding in the quantum spin channel via non-Hermitian operation
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DOI: 10.1088/1555-6611/adbad7
Abstract: Using the non-Hermitian operation approach, the enhanceable capacity of quantum dense coding can be realized in the quantum spin chain channel. We derive the exact analytical expressions of the quantum dense coding and in detail… read more here.
Keywords: capacity quantum; non hermitian; quantum dense; dense coding ... See more keywords
Average capacity of quantum entanglement
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DOI: 10.1088/1751-8121/acb114
Abstract: As an alternative to entanglement entropies, the capacity of entanglement becomes a promising candidate to probe and estimate the degree of entanglement of quantum bipartite systems. In this work, we study the statistical behavior of… read more here.
Keywords: capacity quantum; capacity; average capacity; quantum entanglement ... See more keywords
Capacity of Quantum Private Information Retrieval With Multiple Servers
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DOI: 10.1109/tit.2020.3022515
Abstract: We study the capacity of quantum private information retrieval (QPIR) with multiple servers. In the QPIR problem with multiple servers, a user retrieves a classical file by downloading quantum systems from multiple servers each of… read more here.
Keywords: capacity quantum; private information; capacity; multiple servers ... See more keywords