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Spin Polarization Dependence of Zero Bias Conductance in Ferromagnetic Quantum Wire/ D-wave Superconductor Junctions

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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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Authors and Affiliations

  1. Department of Physics, Ilam University, Ilam, Iran

    Hamidreza Emamipour & Narges Mehrabzad

  2. Islamic Azad University, Central Tehran Branch, Tehran, Iran

    Narges Mehrabzad

Authors
  1. Hamidreza Emamipour
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  2. Narges Mehrabzad
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Correspondence to Hamidreza Emamipour.

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Emamipour, H., Mehrabzad, N. Spin Polarization Dependence of Zero Bias Conductance in Ferromagnetic Quantum Wire/ D-wave Superconductor Junctions. J Supercond Nov Magn 28, 1967–1970 (2015). https://doi.org/10.1007/s10948-015-2975-z

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  • DOI: https://doi.org/10.1007/s10948-015-2975-z

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