Low-energy meson spectrum from a QCD approach based on many-body methods

DA Amor-Quiroz, T Yépez-Martínez… - … Journal of Modern …, 2017 - World Scientific
The Tamm–Dancoff Approximation (TDA) and Random Phase Approximation (RPA) many-
body methods are applied to an effective Quantum Chromodynamics (QCD) Hamiltonian in …

QCD at low energy: The use of many-body methods

DAA Quiroz, PO Hess, O Civitarese… - Journal of Physics …, 2015 - iopscience.iop.org
The exact diagonalization of the kinetic energy-term of the QCD-Hamiltonian, at low energy
and restricted to a finite volume, is resumed. The Coulomb interaction term, approximated by …