Sum rules in optical spectra of the attractive Hubbard model

Spectral properties and sum rules of the one-dimensional Hubbard model

Particle-hole transformations and sum rules for the Hubbard model

Many-body spectral moment sum rules for the Bose Hubbard model

Optical spectra of the Hubbard model within the alloy-analog approach

On the Optical Conductivity in a Strongly Attractive Hubbard Model Chain

RF Spectra: A Sum Rule Approach to Trapped Bosons in an Optical Lattice