Dense ${\text{QCD}}_2$ with matrix product states

Tomoya Hayata, Yoshimasa Hidaka, Kentaro Nishimura

We study one-flavor $\mathrm{SU}(2)$ and $\mathrm{SU}(3)$ lattice QCD in ($1+1$) dimensions at zero temperature and finite density using matrix product states and the density matri…