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      Superconducting 2D System with Lifted Spin Degeneracy: Mixed Singlet-Triplet State

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      Physical Review Letters
      American Physical Society (APS)

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          Abstract

          Motivated by recent experimental findings, we have developed a theory of the superconducting state for 2D metals without inversion symmetry modeling the geometry of a surface superconducting layer in a field-effect transistor or near the boundary doped by adsorbed ions. In such systems the twofold spin degeneracy is lifted by spin-orbit interaction, and singlet and triplet pairings are mixed in the wave function of the Cooper pairs. As a result, spin magnetic susceptibility becomes anisotropic and Knight shift retains finite and rather high value at T = 0.

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          Author and article information

          Journal
          PRLTAO
          Physical Review Letters
          Phys. Rev. Lett.
          American Physical Society (APS)
          0031-9007
          1079-7114
          July 2001
          July 2 2001
          : 87
          : 3
          Article
          10.1103/PhysRevLett.87.037004
          11461584
          c69f2aa7-5a61-4944-935c-cc6b0238aeb3
          © 2001

          http://link.aps.org/licenses/aps-default-license

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