Jacobson showed that thermodynamics + special relativity = GR. Those are very very general assumptions, so general that it’s hard to even consider what else you might ask for.
Jacobson showed that thermodynamics + special relativity = GR. Those are very very general assumptions, so general that it’s hard to even consider what else you might ask for.
Ooh, link?
https://arxiv.org/abs/gr-qc/9504004
Interesting!
> This perspective suggests that it may be no more appropriate to canonically quantize the Einstein equation than it would be to quantize the wave equation for sound in air.
This seems like an odd sentence - what about phonons?
Thanks
Thank you!