Speaker
Leonardo Giusti
(MIB)
Description
The canonical partition function of a thermal system expressed in a moving
frame has a natural implementation in the Euclidean path-integral formulation
in terms of shifted boundary conditions. The Poincare' invariance
underlying a relativistic theory implies a set of Ward identities among
the correlators of the energy-momentum tensor which have also interesting
applications in lattice field theory. In particular, they offer identities
to define non-perturbatively the energy-momentum tensor and novel
ways to compute the equation of state of the theory. Numerical results
in the SU(3) Yang-Mills theory for the renormalization constants of
the energy-momentum tensor and for the entropy density will also be
presented.
Primary author
Leonardo Giusti
(MIB)
