This could be the case: There will be a multitude of formulation that combine/mutate GR and QM into a simple formulation, but no definitive decision on which one the data prefers.
@philipthrift On Sunday, October 20, 2019 at 7:22:59 PM UTC-5, Lawrence Crowell wrote: > > This may be of interest to some. The Phys Org article is below and the > technical publication follows. > > LC > > https://phys.org/news/2019-10-quantum-spacetime-simulator.html > > https://arxiv.org/abs/1712.08711 > > Quantum Spacetime on a Quantum Simulator > Keren Li > <https://arxiv.org/search/quant-ph?searchtype=author&query=Li%2C+K>, Youning > Li <https://arxiv.org/search/quant-ph?searchtype=author&query=Li%2C+Y>, Muxin > Han <https://arxiv.org/search/quant-ph?searchtype=author&query=Han%2C+M>, > Sirui > Lu <https://arxiv.org/search/quant-ph?searchtype=author&query=Lu%2C+S>, Jie > Zhou <https://arxiv.org/search/quant-ph?searchtype=author&query=Zhou%2C+J> > , Dong Ruan > <https://arxiv.org/search/quant-ph?searchtype=author&query=Ruan%2C+D>, Guilu > Long <https://arxiv.org/search/quant-ph?searchtype=author&query=Long%2C+G> > , Yidun Wan > <https://arxiv.org/search/quant-ph?searchtype=author&query=Wan%2C+Y>, Dawei > Lu <https://arxiv.org/search/quant-ph?searchtype=author&query=Lu%2C+D>, Bei > Zeng <https://arxiv.org/search/quant-ph?searchtype=author&query=Zeng%2C+B> > , Raymond Laflamme > <https://arxiv.org/search/quant-ph?searchtype=author&query=Laflamme%2C+R> > (Submitted on 23 Dec 2017) > > We experimentally simulate the spin networks -- a fundamental description > of quantum spacetime at the Planck level. We achieve this by simulating > quantum tetrahedra and their interactions. The tensor product of these > quantum tetrahedra comprises spin networks. In this initial attempt to > study quantum spacetime by quantum information processing, on a four-qubit > nuclear magnetic resonance quantum simulator, we simulate the basic module > -- comprising five quantum tetrahedra -- of the interactions of quantum > spacetime. By measuring the geometric properties on the corresponding > quantum tetrahedra and simulate their interactions, our experiment serves > as the basic module that represents the Feynman diagram vertex in the > spin-network formulation of quantum spacetime. > > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/3216b975-7152-45e7-a972-4204b158ab12%40googlegroups.com.
