标题： 协变规范下二维诱导引力的施温格-狄森方程 显示英文标题

标题： Schwinger-Dyson Equations in 2D Induced Gravity in Covariant Gauges

摘要： 我们用谐波型协变规范，在阶梯近似下为二维由费米子诱导的量子引力建立了施温格-戴森方程。结果显示，这些方程可以在朗道型规范（负宇宙学常数情形）中一致地表述出来。对方程的数值分析暗示了手征对称性破缺的可能性，这取决于耦合常数的取值。 显示英文摘要

摘要： We formulate the Schwinger-Dyson equations in the ladder approximation for 2D induced quantum gravity with fermions using covariant gauges of harmonic type. It is shown that these equations can be formulated consistently in a gauge of Landau type (for negative cosmological constant). A numerical analysis of the equations hints towards the possibility of chiral symmetry breaking, depending on the value of the coupling constant.