Julia package for the construction of quantum lattice systems.

Julia package for the exact diagonalization method in condensed matter physics.

Julia package for the tight binding approximation of quantum lattice systems.

Julia package for the spin wave theory of magnetically ordered quantum spin systems.

Second order perturbation theory to get the effective local spin model based on tight-binding Hubbard models.

Magnon-phonon hybridized system.

Standard random phase approximation (particle-hole channel) for quantum lattice system.