Observation of pseudogaplike feature above Tc in LiFeAs by ultrafast optical spectroscopy

Kung Hsuan Lin, Kuan Jen Wang, Chung Chieh Chang, Yu Chieh Wen, Dzung Han Tsai, Yu Ruei Wu, Yao Tsung Hsieh, Ming Jye Wang, Bing Lv, Paul Ching Wu Chu, Maw Kuen Wu