Vortex dominance of the 0+ and 2+ glueball mass in SU(2) lattice gauge theory
Abstract
The c-vortex ensembles are constructed by means of the recently proposed cooling method which gradually removes the SU(2)/Z2 coset fields from the SU(2) lattice configurations and which thus reveals the Z2 vortex vacuum texture. Using Teper's blocking method, the screening masses of the 0+ and the 2+ glueball is calculated from these vortex ensembles and compared with the masses obtained from full configurations. The masses of either case agree within the achieved numerical accuracy of 10%. As a byproduct, we find that the overlaps of the Teper operators with the glueball wavefunctions are significantly larger in the case of the c-vortex ensembles.
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