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Discussion and Debate
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Physical & Life Sciences
Many Worlds
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<blockquote data-quote="sjastro" data-source="post: 77075329" data-attributes="member: 352921"><p>Thanks for the article but there are a couple of issues.</p><p>Firstly the end product, the calculation of the probability amplitudes is the same irrespective of whether Feynman diagrams or amplituhedrons are used.</p><p>This makes it difficult to assess if amplituhedrons are simply a useful calculation tool or represent a physical reality where space-time is considered emergent rather than fundamental as it is in QFT.</p><p>Secondly and perhaps more importantly amplituhedrons require the existence of supersymmetry where each fermion and boson has a corresponding superparticle.</p><p>The LHC has failed to detect superparticles resulting in an increasing number of particle physicists abandoning or at least modifying the theory of supersymmetry.</p><p>[URL unfurl="true"]https://www.symmetrymagazine.org/article/the-status-of-supersymmetry[/URL]</p></blockquote><p></p>
[QUOTE="sjastro, post: 77075329, member: 352921"] Thanks for the article but there are a couple of issues. Firstly the end product, the calculation of the probability amplitudes is the same irrespective of whether Feynman diagrams or amplituhedrons are used. This makes it difficult to assess if amplituhedrons are simply a useful calculation tool or represent a physical reality where space-time is considered emergent rather than fundamental as it is in QFT. Secondly and perhaps more importantly amplituhedrons require the existence of supersymmetry where each fermion and boson has a corresponding superparticle. The LHC has failed to detect superparticles resulting in an increasing number of particle physicists abandoning or at least modifying the theory of supersymmetry. [URL unfurl="true"]https://www.symmetrymagazine.org/article/the-status-of-supersymmetry[/URL] [/QUOTE]
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