nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq0l88929ze7h5h7g7pu7y0e0077c03zqtp9zk63zpx4gg7m2ypcnqmcvgna (nprofile…vgna) - we can treat gravity as a force "perturbatively", i.e. for metrics that are very close to the Minkowski metric. When we linearize Einstein's field equations around the Minkowski metric, they reduce to a linear wave equation, and when we quantize this equation we get the quantum field theory of massless spin-2 particles. These are called gravitons.
When we go beyond the linear approximation things get hard, and we are probably being punished for a somewhat stupid idea! But some of the results from this approach are probably okay. I sketched a bit of this here:
https://mathstodon.xyz/@johncarlosbaez/113750000394097420
John Carlos Baez /
npub17u…8pd6m
2025-02-16 02:03:30
in reply to nevent1q…gvyy
Author Public Key
npub17u6xav5rjq4d48fpcyy6j05rz2xelp7clnl8ptvpnval9tvmectqp8pd6mSeen on
wss://relay.mostr.pubPublished at
2025-02-16 02:03:30Event JSON
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