The authors determine the renormalization constants z_T and Z_T for the energy-momentum tensor in the non-singlet sector using a modified lattice action with shifted boundary conditions and gradient-flow coupling.
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Non-perturbative renormalization of the energy momentum tensor in the 2d O(3) nonlinear sigma model
The authors determine the renormalization constants z_T and Z_T for the energy-momentum tensor in the non-singlet sector using a modified lattice action with shifted boundary conditions and gradient-flow coupling.