arpes.simulation.SpectralFunctionMFL
- class arpes.simulation.SpectralFunctionMFL(k=None, omega=None, temperature=None, a=10.0, b=1.0)[source]
Implements the Marginal Fermi Liquid spectral function, more or less.
- __init__(k=None, omega=None, temperature=None, a=10.0, b=1.0)[source]
Initializes from parameters.
- Parameters
k – The momentum axis.
omega – The energy axis.
temperature – The temperature to use for the calculation. Defaults to None.
a – The MFL a parameter. Defaults to 10.0.
b – The MFL b parameter. Defaults to 1.0.
Methods
__delattr__
(name, /)Implement delattr(self, name).
__dir__
()Default dir() implementation.
__eq__
(value, /)Return self==value.
__format__
(format_spec, /)Default object formatter.
__ge__
(value, /)Return self>=value.
__getattribute__
(name, /)Return getattr(self, name).
__gt__
(value, /)Return self>value.
__hash__
()Return hash(self).
__init__
([k, omega, temperature, a, b])Initializes from parameters.
__init_subclass__
This method is called when a class is subclassed.
__le__
(value, /)Return self<=value.
__lt__
(value, /)Return self<value.
__ne__
(value, /)Return self!=value.
__new__
(**kwargs)__reduce__
()Helper for pickle.
__reduce_ex__
(protocol, /)Helper for pickle.
__repr__
()Return repr(self).
__setattr__
(name, value, /)Implement setattr(self, name, value).
__sizeof__
()Size of object in memory, in bytes.
__str__
()Return str(self).
__subclasshook__
Abstract classes can override this to customize issubclass().
bare_band
()Provides the bare band dispersion.
digest_to_json
()Summarizes the parameters for the model to JSON.
fermi_dirac
(omega)Calculates the Fermi-Dirac occupation factor at energy values omega.
imag_self_energy
()Calculates the imaginary part of the self energy.
measured_spectral_function
()Calculates the measured spectral function under practical conditions.
occupied_spectral_function
()Calculates the spectral function weighted by the thermal occupation.
real_self_energy
()Defaults to using Kramers-Kronig from the imaginary self energy.
sampled_spectral_function
([n_electrons, ...])Samples electrons from the measured spectral function to calculate a detector image.
self_energy
()Combines the self energy terms into a complex valued array.
spectral_function
()Calculates the spectral function according to the self energy modification of the bare band.
Attributes
__dict__
__doc__
__module__
__weakref__
list of weak references to the object (if defined)