期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP04(2022)103
关键词
Lattice Models of Gravity; Models of Quantum Gravity; Phase Transitions
资金
- National Science Centre Poland - Priority Research Area Digiworld under the program Excellence Initiative -Research University at the Jagiellonian University in Krakow [2019/33/B/ST2/00589]
This article completes the phase diagram of Causal Dynamical Triangulations (CDT) for the three-torus spatial topology by analyzing the A - B and B - C phase transitions. It is observed that the order of phase transitions of spacetime geometries can depend on the topology of spacetime.
Causal Dynamical Triangulations (CDT) is a lattice formulation of quantum gravity, suitable for Monte-Carlo simulations which have been used to study the phase diagram of the model. It has four phases characterized by different dominant geometries, denoted phase A, B, C and C-b. In this article we analyse the A - B and the B - C phase transitions in the case where the topology of space is that of the three-torus. This completes the phase diagram of CDT for such a spatial topology. We observe that the order of a phase transition of spacetime geometries can depend on the topology of spacetime.
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