The complementarity relations of quantum coherence in quantum information processing
arXiv:1610.06139 · doi:10.1038/srep43919
Abstract
We establish two complementarity relations for the relative entropy of coherence in quantum information processing, i.e., quantum dense coding and teleportation. We first give an uncertaintylike expression relating local quantum coherence to the capacity of optimal dense coding for bipartite system. The relation can also be applied to the case of dense coding by using unital memoryless noisy quantum channels. Further, the relation between local quantum coherence and teleportation fidelity for two-qubit system is given.
arXiv comment10 pages. All comments are welcome
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- Thermal coherence of the Heisenberg model with Dzyaloshinsky-Moriya interactions in an inhomogenous external field
- Experimental demonstration of complementarity relations between quantum steering criteria
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