18 July 2023
High Energy Physics - Lattice
Shows tensor networks can simulate non-Abelian lattice gauge theory in 2+1D
Maps out phase diagram of minimal SU(2) model at zero and finite baryon density
Finds baryon liquid phase with gapless excitations emerges at low quark mass
Sees hints of deconfinement and topological order near maximal frustration
Tensor network simulation of SU(2) lattice gauge theory in 2+1 dimensions
This paper demonstrates the feasibility of tensor network simulations for a 2+1 dimensional SU(2) lattice gauge theory including dynamical fermionic matter. The authors characterize the phase diagram at zero and finite baryon density. They find a baryon liquid phase with gapless excitations emerges at low quark mass. Traces of deconfinement and possible topological order are seen near maximal frustration of electric and magnetic terms.
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