Fermions in 2d Lorentzian quantum gravity

被引：0

作者：

Bogacz, L ^{[1
]}

Burda, Z ^{[1
]}

Jurkiewicz, J ^{[1
]}

机构：

[1] Jagiellonian Univ, M Smoluchowski Inst Phys, PL-30059 Krakow, Poland

来源：

ACTA PHYSICA POLONICA B | 2003年 / 34卷 / 08期

关键词：

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We implement Wilson fermions on 2d Lorentzian triangulation and determine the spectrum of the Dirac-Wilson operator. We compare it to the spectrum of the corresponding operator in the Euclidean background. We use fermionic particle to probe the fractal properties of Lorentzian gravity coupled to c = 1/2 and c 4 matter. We numerically determine the scaling exponent of the mass gap M similar to N-1/dH to be d(H) 2.11(5), and d(H)= 1.77(3) for c = 1/2 and c = 4, respectively.

引用

页码：3987 / 3999

页数：13

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