Speaker
Description
CLE is a well defined method providing a general instrument for ab initio, approximation free studies of realistic lattice models even for complex action. The latter include full QCD at finite densiy and CLE is the only method presently applied in this context. The complexification of the variable space required by a complex action introduces however special conditions to be satisfied in order to ensure correct convergence. Analysing thesse conditions led to the development of procedures and criteria which allow to control the simulations and define a reliability region. We here develop one essential condition to a general criterion applicable on-line also to QCD and discuss its relation to other criteria. We also present CLE results for the full QCD transition from the confinement to the plasma phase for 0 ≤ μ / T_c ≤ 5 (μ: chemical potential, T_c: μ=0 critical temperature).
