FURTHER INVESTIGATIONS OF THE CRUMPLING TRANSITION IN DYNAMICALLY TRIANGULATED RANDOM SURFACES

被引:33
作者
BAILLIE, CF
WILLIAMS, RD
CATTERALL, SM
JOHNSTON, DA
机构
[1] UNIV LANCASTER, DEPT PHYS, LANCASTER LA1 4YB, ENGLAND
[2] UNIV CAMBRIDGE, DEPT APPL MATH & THEORET PHYS, CAMBRIDGE CB3 9EW, ENGLAND
[3] CALTECH, CONCURRENT COMPUTAT PROGRAM, PASADENA, CA 91125 USA
关键词
D O I
10.1016/0550-3213(91)90204-B
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We examine further the critical behaviour of dynamically triangulated random surfaces (DTRS) with extrinsic curvature at their second-order crumpling transition. We show that the string tension in these models may be scaling near the transition in such a way that the physical string tension is finite, unlike models containing only a Polyakov term, suggesting that one can use DTRS as a discretization of subcritical string theory. We explore the universality properties of DTRS, showing that an apparently irrelevant term can affect the phase transition. We also find that the observed phase transition persists when the surfaces are embedded in higher dimensions, contradicting the naive expectations of a saddle point expansion.
引用
收藏
页码:543 / 579
页数:37
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