Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1996-07-09
Nucl.Phys. B483 (1997) 416-430
Physics
High Energy Physics
High Energy Physics - Lattice
15 pages RevTex, 12 postscript figures
Scientific paper
10.1016/S0550-3213(96)00535-4
The study of nonlinear phenomena in systems with many degrees of freedom often relies on complex numerical simulations. In trying to model realistic situations, these systems may be coupled to an external environment which drives their dynamics. For nonlinear field theories coupled to thermal (or quantum) baths, discrete lattice formulations must be dealt with extreme care if the results of the simulations are to be interpreted in the continuum limit. Using techniques from renormalization theory, a self-consistent method is presented to match lattice results to continuum models. As an application, symmetry restoration in $\phi^4$ models is investigated.
Borrill Julian
Gleiser Marcelo
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