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SO ENDS this first of two weekends on the theme of cosmic magnetism. This remarkable force which Parker describes as a syndrome and likens it to an organism is still little understood except by what it does. When did it arise? Is it the same in the far extreme reaches of the cosmos? What is its role in living creatures? All open issues. https://lnkd.in/eYiqnNnc View in LinkedIn

ACCESS PERMITTED. “As to the profile of the quantum interaction rates (in equilibrium), the fall-off of the profile is implied by several properties of the static, flat space-time.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

ACCESS DENIED. “It is unclear if restrictions on the quantum interactions can be deduced directly from the effective tension structure.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

EQUILIBRATING STRUCTURES. “These classical theories should be good descriptions across macroscopic times and distances (where quantum distances are at the Planck scale) in regions where the lifetime of the quantum fluctuations (τf) is large enough for the structure to equilibrate.” (Read carefully, then re-read). https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

QUANTUM WORLD. “At the quantum level, the interactions must be compatible with giving rise to such a macroscopic, flat structure, and with the EFE in general, in a limit where quantum fluctuations are suppressed to the point when they can be disregarded.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

CLASSICAL WORLD. “In a classical limit, a space-time originating in interactions must have the properties of a tension structure, built on non-linear interactions.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

ONLY INTERACTION. “In the presently analysed hypothesis of space-time emergence, the equivalence class that is diffeomorphism invariance makes interaction rate the only invariant, definitely physical property.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

MOST DIVERSE SEX ORGANS. “Flowers, the reproductive organs of angiosperms, are more varied than the equivalent structures of any other group of organisms, and flowering plants also have an unrivalled diversity of sexual systems.” https://lnkd.in/em4mAqsw View in LinkedIn

EXPECTATION. “In this picture, deviations from the vacuum values should be due to acceleration or fall under the equivalence class of diffeomorphisms.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn

RATES ARE KEY. “Our consideration rather is prior to a concept of distance and position, and concerns interaction rates that in some sense describe probabilities of interaction.” https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf View in LinkedIn