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B What is P wave symmetry?

  1. Jan 23, 2017 #1

    wolram

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  2. jcsd
  3. Jan 26, 2017 #2

    f95toli

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    It has to do with the "shape" (symmetry) of the superconducting wavefunction.
    Most conventional superconductors have s-wave symmetry which means that the wavefunction is isotropic. High-Tc superconductors have d-wave symmetry meaning the wavefunction has four "lobes" (in k-space). This means the properties (the "gap") of the superconductor will depend on the orientation of the crystal.
    P-wave means that the wavefunctions has two-lobes.
    The letter s,p and d have been used to indicate symmetry in atomic physics for a long time (initally it refered to the appearance of the line when doing spectrscopy d=diffuse), see the image on the right on the folllowing wiki.
    https://en.wikipedia.org/wiki/Atomic_orbital
     
  4. Jan 29, 2017 #3

    wolram

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    Thank you f95toli.
     
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