Koudai Sugimoto   Satoshi Nishimoto   Tatsuya Kaneko   Yukinori Ohta   
Physical Review Letters 120(24) 2018年6月 [査読有り]
We analyze the measured optical conductivity spectra using the density-functional-theory-based electronic structure calculation and density-matrix renormalization group calculation of an effective model. We show that, in contrast to a conventional...