But in gr-equivalent teleparallel gravity, all the information that used to be in the non-flat metric is instead in the non-trivial tetrad, no? So gw have to be tetrad perturbations. Not scalar.

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SPOOKY QUANTUM PHYSICS! 🎃👻 'I cannot seriously believe in [quantum mechanics] because the theory cannot be reconciled with the idea that physics should represent a reality in space and time, free from spooky actions at a distance.' -Albert Einstein to Max Born March 3, 1947

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Dark energy as a scalar field: Not clear. I don't think the cosmological constant version is convincingly excluded. But no need to speculate - let's wait for the Euclid results. February 2027 at the latest we should know more. "aren’t clearly detected at LIGO" - important distinction there. 2/

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It's back online. youtu.be/Ic3bD0QRVYQ

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Kapalı içerik

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