Dynamical spectral weight in YBa${}_2$Cu${}_3$O${}_y$ probed by x-ray absorption spectroscopy

J. -Y. Lin, P. R. Lee, Y. T. Liu +8

The comprehensive study of the temperature dependent x-ray absorption spectroscopy (XAS) reveals a dynamical spectral weight $\alpha$ in YBa${}_2$Cu${}_3$O${}_y$ (YBCO). Large spectral weight…