标题： 二维量子引力中图的分支 显示英文标题

标题： The Branching of Graphs in 2-d Quantum Gravity

摘要： 利用动态平面φ三次图计算了二维引力的三种不同模型的分支比。 这些模型分别是纯引力、与引力耦合的D=-2高斯模型和与引力耦合的单自旋伊辛模型。 该比率可以衡量支配配分函数的图的分支程度。 因此，它可以用来估算与二维引力耦合的多伊辛模型的分支聚合物相的位置。 显示英文摘要

摘要： The branching ratio is calculated for three different models of 2d gravity, using dynamical planar phi-cubed graphs. These models are pure gravity, the D=-2 Gaussian model coupled to gravity and the single spin Ising model coupled to gravity. The ratio gives a measure of how branched the graphs dominating the partition function are. Hence it can be used to estimate the location of the branched polymer phase for the multiple Ising model coupled to 2d gravity.