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Topological gravity in 3+1D and a possible origin of dark matte
Tianyao Fang, Zheng-Cheng Gu
Dark matter is one of the deepest mystery of the universe. So far there is no natural explanation why the dark matter should exist and even dominate the universe. In this paper, we…
The emergence of 3+1D Einstein gravity from topological gravity
Zheng-Cheng Gu
Quantum field theory successfully explains the origin of all fundamental forces except gravity due to the renormalizability problem. In this paper, we proposed a topological scenar…
Emergence of helicity +/- 2 modes (gravitons) from qubit models
Zheng-Cheng Gu, Xiao-Gang Wen
The general equivalence principle and the associated diffeomorphism gauge symmetry are regarded as a founding principles of nature. But, one may wonder, can diffeomorphism gauge sy…
A lattice bosonic model as a quantum theory of gravity
Zheng-Cheng Gu, Xiao-Gang Wen
A local quantum bosonic model on a lattice is constructed whose low energy excitations are gravitons described by linearized Einstein action. Thus the bosonic model is a quantum th…