Abstract
We have calculated the k, k′ dependence of the spectral function α 2F(Σ, k, k′) using the renormalized one-electron-type band structure based on the extended two story house model by Kamimura and Suwa in which the states of carriers and localized spins are separated and the latter form an antiferromagnetic local order. The following important results emerge from this calculation: (1) d-wave pairing occurs even for the phonon mechanism, when the localized spins form an antiferromagnetic local order; (2) phonon modes in which oxygen ions move vertically from the CuO 2 plane contribute to the electron-phonon interaction in cuprates, while those like breathing modes in which oxygen and copper ions vibrate within a CuO 2 plane do not contribute significantly.
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