Is QFT on curved spacetime BtSM

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The discussion confirms that Quantum Field Theory (QFT) on curved spacetime is indeed considered Beyond the Standard Model (BtSM). Participants emphasize that the standard model operates under the assumption of a Minkowski background, which does not account for gravitational effects. The terminology used indicates that phenomena occurring beyond a certain energy scale on Minkowski spacetime are typically classified as BtSM, highlighting the limitations of the standard model in incorporating gravity.

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  • Understanding of Quantum Field Theory (QFT)
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Is QFT on curved spacetime BtSM
 
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That's a matter of terminology, but I'd say yes, because in the standard model one assumes a Minkowski background. I think that usually one uses this term for phenomena beyond some energy scale on Minkowski spacetime, e.g. without gravity involved.
 

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