[HN Gopher] Electromagnetism as a Purely Geometric Theory
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       Electromagnetism as a Purely Geometric Theory
        
       Author : andyjohnson0
       Score  : 29 points
       Date   : 2025-04-19 21:14 UTC (1 hours ago)
        
 (HTM) web link (iopscience.iop.org)
 (TXT) w3m dump (iopscience.iop.org)
        
       | ogogmad wrote:
       | For people wondering what "geometric" means here, they say: "the
       | electromagnetic field should be derived purely and solely from
       | the properties of the metric tensor".
       | 
       | I'm not sure if that's exactly it.
       | 
       | Question: Is there any relationship between this and Axiomatic
       | Thermodynamics? I recall that also uses differential geometry.
        
         | philipov wrote:
         | Okay, so this is another attempt to unify quantum field theory
         | and gravity. By trying to derive fields out of gravity, rather
         | than by trying to quantize gravity.
        
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       (page generated 2025-04-19 23:00 UTC)