Color flux tubes in SU (3) Yang-Mills theory: An investigation with the connected correlator

In this work we perform an investigation of the flux tube between two static color sources in four dimensional SU(3) Yang-Mills theory, using the so-called connected correlator. Contrary to most previous studies we do not use any smoothing algorithm to facilitate the evaluation of the correlator, that is performed using only stochastically exact techniques. We first examine the renormalization properties of the connected operator, then we present our numerical data for the longitudinal chromoelectric component of the flux tube, that are used to extract the dual superconductivity parameters.