Green’s functions

• Concepts
  • Domain
  • PureFunctionOnDomain
  • Mesh
  • MeshPoint
• Basic notions
  • Types of Green’s functions
    • Matsubara Green’s function in imaginary time <GfImTime>
    • Matsubara Green’s function in imaginary frequencies <GfImFreq>
    • Matsubara Green’s function with Legendre polynomials <GfLegendre>
    • Green function in real time <GfReTime>
    • Retarded Green’s function in real frequencies <GfReFreq>
  • Fourier and Legendre transforms
  • High-frequency tail
• c++
  • gf and views
    • Template parameters
    • Member types
    • Member functions
    • Non-member functions
  • Specializations
    • [gf<imfreq>] Green function on Matsubara frequencies
    • [gf<imtime>] Matsubara imaginary time
    • [gf<refreq>] Real frequencies
    • [gf<retime>] Real time
    • [block_gf<T>] Block Green functions
    • [gf<legendre>] Legendre representation
    • [gf<prod<X,Y,…>>] Multiple variables
  • Interaction with CLEF expressions
  • Fourier transforms
    • Synopsis
    • fourier
    • Example
  • High-Frequency moments of the Green’s function
    • API
  • Concepts
    • Domain
    • PureFunctionOnDomain
    • Mesh
    • MeshPoint
  • Implementation notes
• py
  • The blocks: matrix-valued Green’s functions
    • [GfImTime] Matsubara Green’s function in imaginary time
    • [GfImFreq] Matsubara Green’s function in imaginary frequencies
    • [GfReTime] Retarded Green’s function in real time
    • [GfReFreq] Retarded Green’s function in real frequencies
    • [GfLegendre] Matsubara Green’s function with Legendre polynomials
    • Operations
    • Slicing
    • Bracket Accessor
    • Assignment: << or = operator
    • Lazy expressions
    • shelve / pickle
    • Plot options
    • Direct access to data points
  • BlockGf: The complete Green’s function
    • A little example
    • Reference
    • Operations
    • Block access
    • Iterator
    • View or copies?
    • shelve / pickle
    • HDF5
  • Fourier and Legendre to Matsubara transforms
    • Time to frequency
    • Legendre to Matsubara
  • High-Frequency moments of the Green’s function
    • Python API
  • Tools for GFs