Thermodynamics of strongly-coupled lattice QCD in the chiral limit

Understand

In the strong coupling limit, $n$-point functions in lattice QCD with staggered fermions can be rewritten exactly as sums over constrained configurations of monomers, dimers, and baryon loops covering the spacetime lattice.

• Worm algorithms provide efficient global sampling methods over such ensembles, and are particularly efficient in the chiral limit.
• We study the thermodynamics of strongly-coupled U(3) and SU(3) lattice QCD with one massless staggered fermion using such methods, and compare the results with the relativistic pion gas down to low temperatures O(15 MeV).