linkedin post 2022-03-09 05:31:04

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FLUCTUATING SPACE-TIME. “With vacuum, we here mean empty space-time where only quantum fluctuations are present, and the optionally present obstacles are extended objects made of matter, not sufficiently massive to prevent flat space-time from be a good approximation on the scales considered.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn
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linkedin post 2022-03-08 05:27:07

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A CONSEQUENCE. “The simplest example of a direct consequence is in settings where flat space-time is a good approximation and general relativity would not distinguish between regions with vacuum vs a presence of obstacles to information flow.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn
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linkedin post 2022-03-08 05:25:03

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NOT A REPLACEMENT. “Note that while the emergent theory in classically safe regions (far away from not only high curvature, but even curvature giving rise to event horizons) must be compatible with general relativity, it is allowed to be more detailed, e.g. fitting within the diffeomorphism invariance of general relativity.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn
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linkedin post 2022-03-08 05:24:23

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THE GAP. “An origin of space-time in information exchange (interactions) would have consequences at the classical level beyond what is described by general relativity, and not limited to event horizons or curvature.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn
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linkedin post 2022-03-08 05:21:43

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LEANING TOWARDS FLUCTATIONS. “At the quantum level, the basic suggestion is to replace the metric tensor of general relativity (in its role of giving rise to ds2) with interactions between pairs of quantum particles, including (and heavily reliant on) quantum fluctuations.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn
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