A new discrete causal representation of the self-energy is obtained by discretizing Kugler's symmetric estimator for use in impurity models and DMFT.
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A tensor formalism is developed to express RIXS spectra as linear combinations of symmetry-determined fundamental spectra, disentangling geometry from material response for dipole-dipole processes.
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Symmetric estimator for discrete self-energy of discrete many-body systems
A new discrete causal representation of the self-energy is obtained by discretizing Kugler's symmetric estimator for use in impurity models and DMFT.
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Polarization dependency in Resonant Inelastic X-Ray Scattering
A tensor formalism is developed to express RIXS spectra as linear combinations of symmetry-determined fundamental spectra, disentangling geometry from material response for dipole-dipole processes.