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16 lines
537 B
Python
16 lines
537 B
Python
from pytriqs.gf.local import *
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from pytriqs.gf.local.descriptors import Omega
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g = GfImFreq(indices = [1], beta = 50, n_points = 1000, name = "g")
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g <<= inverse( Omega + 0.5 )
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# open 2 panels top (t) and bottom (b)
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from pytriqs.plot.mpl_interface import subplots
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f, (t,b) = subplots( 2,1)
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#plot ...
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t.oplot(g.real, '-o', x_window = (0,10) )
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b.oplot(g.imag, '-x', x_window = (0,12) )
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b.oplot( lambda om : -om*0.8/(om*om + 4), name = "Bad Fit !")
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b.text(5,-0.5, r'$g(i\omega_n) = \frac{1}{i \omega_n + 1/2} $', size = 20, color='r')
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