Abstract
A relation between the zero-bias conductance and spin polarization in a ferromagnetic quantum wire/ d-wave superconductor junction at finite temperature is studied, theoretically. In contrast to conventional d-wave superconductors which zero bias conductance peaks appear in tunneling spectra, we have found a disappearance of zero bias peak in tunneling spectra, in a way that it will be zero for all of barriers and polarizations parameters. Also, different temperature dependencies of zero bias conductance will be discussed.
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