{
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    {
      "execution_count": null, 
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      "source": [
        "%matplotlib inline"
      ], 
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      "metadata": {
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      }
    }, 
    {
      "source": [
        "\n# Drop of quasiparticle weight by increasing interaction\n\n\nThe quasiparticle weight of the electronic system drops as the local interaction\nis increased. Multi orbital degenerate systems are studied\n"
      ], 
      "cell_type": "markdown", 
      "metadata": {}
    }, 
    {
      "execution_count": null, 
      "cell_type": "code", 
      "source": [
        "from __future__ import division, absolute_import, print_function\nimport slaveparticles.utils.plotter as ssplt\nimport numpy as np\nimport matplotlib.pyplot as plt\n\n#Degenerate bands\ndef plot_degbandshalffill():\n    \"\"\"Plot of Quasiparticle weight for degenerate\n    half-filled bands, showing the Mott transition\"\"\"\n    ulim = [3.45, 5.15, 6.85, 8.55]\n    bands = range(1, 5)\n    for band, u_int in zip(bands, ulim):\n        name = 'Z_half_'+str(band)+'band'\n        dop = [0.5]\n        data = ssplt.calc_z(band, dop, np.arange(0, u_int, 0.1),0., name)\n        plt.plot(data['u_int'], data['zeta'][0, :, 0], label='N={}'.format(str(band)))\n\n    ssplt.label_saves('Z_half_multiorb.png')\n\nplot_degbandshalffill()"
      ], 
      "outputs": [], 
      "metadata": {
        "collapsed": false
      }
    }
  ], 
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