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Showing quant-phShow all
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quant-ph2017★ 2 cited
Remedying the strong monotonicity of the coherence measure in terms of the Tsallis relative entropy
Haiqing Zhao, Chang-shui Yu
Coherence is the most fundamental quantum feature of the nonclassical systems. The understanding of coherence within the resource theory has been attracting increasing interest amo…
quant-ph2014★ 15 cited
Quantum correlation via quantum coherence
Chang-shui Yu, Yang Zhang, Haiqing Zhao
Quantum correlation includes quantum entanglement and quantum discord. Both entanglement and discord have a common necessary condition--------quantum coherence or quantum superposi…
quant-ph2013★ 23 cited
Direct Measure of Quantum Correlation
Chang-shui Yu, Heng Fan
The quantumness of the correlation known as quantum correlation is usually measured by quantum discord. So far various quantum discords can be roughly understood as indirect measur…