Microscopic gauge-invariant theory of the c-axis infrared response of bilayer cuprate superconductors and the origin of the superconductivity-induced absorption bands
PHYSICAL REVIEW B
Chaloupka, J., Bernhardt, C., Munzar, D., 2009: Microscopic gauge-invariant theory of the c-axis infrared response of bilayer cuprate superconductors and the origin of the superconductivity-induced absorption bands. PHYSICAL REVIEW B 79(18)