A Remark on Conformal Anomaly and Extrinsic Geometry of Random Surfaces

Details A Remark on Conformal Anomaly and Extrinsic Geometry of Random Surfaces A Remark on Conformal Anomaly and Extrinsic Geometry of Random Surfaces

1991-11-02

arxiv.org/abs/hep-th/9111003v1

Phys.Lett.B279:47-52,1992

Physics

High Energy Physics

High Energy Physics - Theory

11 pages

Scientific paper

10.1016/0370-2693(92)91838-Z

In low dimensions, conformal anomaly has profound influence on the critical behavior of random surfaces with extrinsic curvature rigidity $1/\a$. We illustrate this by making a small $D$ expansion of rigid random surfaces, where a non-trivial infra-red fixed point is shown to exist. We speculate on the renormalization group flow diagram in the $(\a,D)$ plane. We argue that the qualitative behavior of numerical simulations in $D=3, 4$ could be understood on the basis of the phase diagram.

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