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
- Rovelli, Carlo (1996-10-14). "Black Hole Entropy from Loop Quantum Gravity". Physical Review Letters. 77 (16): 3288–3291. arXiv:gr-qc/9603063v1. doi:10.1103/physrevlett.77.3288. ISSN 0031-9007. PMID 10062183. S2CID 43493308.
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