期刊
PHYSICAL REVIEW D
卷 92, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.92.024013
关键词
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资金
- ERC Advanced Grant [291092]
- FNU, the Free Danish Research Council, through the grant Quantum Gravity and the Role of Black Holes
- National Science Centre Poland [DEC-2012/06/A/ST2/00389]
- Netherlands Organisation for Scientific Research (NWO)
- European Research Council (ERC) [291092] Funding Source: European Research Council (ERC)
By explicit construction, we show that one can in a simple way introduce and measure gravitational holonomies and Wilson loops in lattice formulations of nonperturbative quantum gravity based on (causal) dynamical triangulations. We use this setup to investigate a class of Wilson line observables associated with the world line of a point particle coupled to quantum gravity, and deduce from their expectation values that the underlying holonomies cover the group manifold of SO(4) uniformly.
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