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We investigate the superconducting order parameter, the spectral and opticalproperties in a stripe model with spin (charge) domain-derived scatteringpotential $V_{s}$ ($V_{c}$). We show that the charge domain-derived scatteringis less effective than the spin scattering on the suppression ofsuperconductivity. For $V_{s}\gg V_{c}$, the spectral weight concentrates onthe ($\pi,0$) antinodal region, and a finite energy peak appears in the opticalconductivity with the disappearance of the Drude peak. But for $V_{s}\approxV_{c}$, the spectral weight concentrates on the ($\pi/2,\pi/2$) nodal region,and a residual Drude peak exists in the optical conductivity without the finiteenergy peak. These results consistently account for the divergent observationsin the ARPES and optical conductivity experiments in several high-$T_c$cuprates, and suggest that the "insulating" and "metallic" properties areintrinsic to the stripe state, depending on the relative strength of the spinand charge domain-derived scattering potentials.

Spectral and optical properties in the antiphase stripe phase of the cuprate superconductors