Protecting quantum discord using weak measurement and quantum measurement reversal
Jiwon Yune, Kang-Hee Hong, Hyang‐Tag Lim, Jong Chan Lee, Osung Kwon, Sang-Wook Han, Sung Moon, Yong‐Su Kim, Yoon-Ho Kim · 2015
We report that quantum discord can be protected from decoherence by making use of weak and reversing quantum measurements, making it possible to distribute quantum correlation between two remote parties in noisy environment.