The higher-order phase transition in toroidal CDT

被引：6

作者：

Ambjorn, J. ^{[1
,2
]}

Czelusta, G. ^{[3
]}

Gizbert-Studnicki, J. ^{[3
]}

Gorlich, A. ^{[3
]}

Jurkiewicz, J. ^{[3
]}

Nemeth, D. ^{[3
]}

机构：

[1] Univ Copenhagen, Niels Bohr Inst, Blegdamsvej 17, DK-2100 Copenhagen O, Denmark

[2] Radboud Univ Nijmegen, IMAPP, POB 9010, Nijmegen, Netherlands

[3] Jagiellonian Univ, Inst Theoret Phys, Lojasiewicza 11, PL-30348 Krakow, Poland

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2020年 / 2020卷 / 05期

关键词：

Lattice Models of Gravity; Lattice Quantum Field Theory; Models of Quantum Gravity; Nonperturbative Effects; RENORMALIZATION-GROUP;

D O I：

10.1007/JHEP05(2020)030

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 investigate the transition between the phases B and C-b observed in four-dimensional Causal Dynamical Triangulations (CDT). We find that the critical properties of CDT with toroidal spatial topology are the same as earlier observed in spherical spatial topology where the B - C-b transition was found to be higher-order. This may have important consequences for the existence of the continuum limit of CDT, describing the perspective UV limit of quantum gravity, which potentially can be investigated in the toroidal model.

引用

页数：18

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