- #1

tom.stoer

Science Advisor

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What happens when fermions are included?

Does the spin-connection still guarantue that the covariant derivative comes with a torsion-free connection?

What happens when this theory is quantized?

I've never seen a QG approach talking about torsion (except for LQG where a topological term involving torsion appears; but at the same time they claim that this term does not modify the classical equations of motions)

=> Is there a torsion operator in LQG?