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Abstract
A nonperturbative determination of the energymomentum tensor is essential for understanding the physics of strongly coupled systems. The ability of the Wilson Flow to eliminate divergent contact terms makes it a practical method for renormalising the energymomentum tensor on the lattice. In this paper, we utilise the Wilson Flow to define a procedure to renormalise the energymomentum tensor for a threedimensional massless scalar field in the adjoint of SU(N) with a φ4 interaction on the lattice. In this theory the energy momentum tensor can mix with φ2 and we present numerical results for the mixing coefficient for the N=2 theory.
Original language  English 

Journal  Physical Review D 
Publication status  Accepted/In press  16 Apr 2021 
Keywords
 heplat
 hepth
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Projects
 1 Active

Particle Theory at the Higgs Centre
Ball, R., Boyle, P., Del Debbio, L., Gardi, E., Horsley, R., Kennedy, A., O'Connell, D., Smillie, J. & Zwicky, R.
1/10/17 → 30/09/21
Project: Research