- #1
jk22
- 729
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I'm not at all involved in QG but from far away I noticed :
Spin 2 representations are 5x5 matrices.
But in gravity what mathematical objects are quantized ? If it's the metric then it's a 4x4 matrix so that cannot be that.
Or : how does quantization reveal a 5x5 matrix ?
Spin 2 representations are 5x5 matrices.
But in gravity what mathematical objects are quantized ? If it's the metric then it's a 4x4 matrix so that cannot be that.
Or : how does quantization reveal a 5x5 matrix ?