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quant-ph2014★ 68 cited
Geometric Bell-like inequalities for steering
Marek Żukowski, Arijit Dutta, Zhi Yin
Many of the standard Bell inequalities (e.g., CHSH) are not effective for detection of quantum correlations which allow for steering, because for a wide range of such correlations…
quant-ph2010★ 2 cited
Thermal quantum discord in the anisotropic Heisenberg XXZ model with the Dzyaloshinskii-Moriya interaction
Yi-Xin Chen, Zhi Yin
The thermal quantum discord (QD) is studied in a two-qubit Heisenberg XXZ system with Dzyaloshinskii-Moriya (DM) interaction. We compare the thermal QD with thermal entanglement in…