S-knot
In loop quantum gravity, an s-knot is an equivalence class of spin networks under diffeomorphisms. In this formalism, s-knots represent the quantum states of the gravitational field.
External links
- Living Reviews in Relativity: Loop Quantum Gravity: Diffeomorphism invariance
- Carlo Rovelli, Black Hole Entropy from Loop Quantum Gravity, Phys.Rev.Lett. 77, 3288-3291 (1996).
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