On 10/26/2019 7:15 PM, Alan Grayson wrote:
If one wants to quantize GR, one would have to quantize the underlying classical field of space-time. But what would pop out of the quantized field when a measurement occurs? I couldn't be a photon as in QED. What would be the quantized measurement? A graviton?
It should be an eigenvector of whatever operator you applied to the wave function of the metric field. That's why Lawrence was worried about what a Ricci tensor operator would return.
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