期刊
PHYSICAL REVIEW D
卷 94, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.94.064014
关键词
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资金
- European Research Council under the European Union Seventh Framework Programme (FP7)/ERC [306425]
- Royal Society University Research Fellow [UF120112]
- Nottingham Advanced Research Fellow [A2RHS2]
- Royal Society Project [RG130377]
Causal dynamical triangulation (CDT) is a nonperturbative quantization of general relativity. Horava-Lifshitz gravity, on the other hand, modifies general relativity to allow for perturbative quantization. Past work has given rise to the speculation that Horava-Lifshitz gravity might correspond to the continuum limit of CDT. In this paper we add another piece to this puzzle by applying the CDT quantization prescription directly to Horava-Lifshitz gravity in two dimensions. We derive the continuum Hamiltonian, and we show that it matches exactly the Hamiltonian derived from canonically quantizing the Horava-Lifshitz action. Unlike the standard CDT case, here the introduction of a foliated lattice does not impose further restriction on the configuration space and, as a result, lattice quantization does not leave any imprint on continuum physics as expected.
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