linkedin post 2021-12-30 04:18:47

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SEARCH FOR SYMMETRICAL UNIVERSE. “The conclusion of their study, after several years of effort, was that the primordial Universe, at least in the standard cosmological model, does not provide enough time for a matter-antimatter universe to create structures large enough to evade the constraints of the diffuse gamma-ray flux.” https://lnkd.in/daA2SgMy View in LinkedIn
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linkedin post 2021-12-31 05:57:41

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TIME TRAVEL. “And we also know since the early 1990s that building a time machine in general relativity —for example using a wormhole as a time machine— requires violating the positivity of energy. It is therefore natural to test whether antimatter is not by any chance such an “exotic” material.” https://lnkd.in/daA2SgMy View in LinkedIn
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linkedin post 2021-12-31 05:55:03

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NEGATIVE ENERGY. “Since fermions always come in pairs, the vacuum breaks down with pair creation when a electron of mass me is confined in a potential well of depth larger than −2mec2 and not mec2, so that the electron has a negative total energy of −mec2 when the vacuum starts to break down.” https://lnkd.in/daA2SgMy View in LinkedIn
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linkedin post 2021-12-31 05:52:51

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THE POSSIBILITY OPENS. “In other words, if a negative energy solution is unstable in Minkowski (flat) spacetime, but is stable in an Einstein-de Sitter spacetime, while a few billion years are required to determine whether you live in one or the other of these two universes, it means that the instability of the negative mass solution has at most a characteristic timescale of a few billion years.” https://lnkd.in/daA2SgMy View in LinkedIn
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