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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/3216b975-7152-45e7-a972-4204b158ab12%40googlegroups.com.
