Abstract

All-order strong coupling simulations have been used to derive precise energies of string states in the confined phase of three dimensional Z(2) lattice gauge theory. The behavior of the ground state energy is here compared with predictions of effective string theory. Our new data reported here are consistent with known universal terms of the long string length (L0) expansion known from effective string models in the continuum limit. Our precision is however still not sufficient to disentangle non-univeral terms of order L−7 0 .

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