A random surface theory with nontrivial γ _{string}
Abstract
We measure by Monte Carlo simulations γ _{string} for a model of random surfaces embedded in three dimensional Euclidean spacetime. The action of the string is the usual Polyakov action plus an extrinsic curvature term. The system undergoes a phase transition at a finite value βc of the extrinsic curvature coupling and at the transition point the numerically measured value of γ_{string} ( λ_{c}) ≈ 0.27 ± 0.06. This is consistent with γ _{string} (λ _{c}) = {1}/{4}, i.e. equal to the first of the nontrivial values of γ _{string} between 0 and {1}/{2}.
 Publication:

Physics Letters B
 Pub Date:
 January 1995
 DOI:
 10.1016/03702693(95)80006J
 arXiv:
 arXiv:hepth/9408118
 Bibcode:
 1995PhLB..341..286A
 Keywords:

 High Energy Physics  Lattice;
 High Energy Physics  Theory
 EPrint:
 11 pages+4 figures, ordinary uncompressed psfile. NBIHE9439