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gr-qc2010★ 53 cited
Spinfoam fermions
Eugenio Bianchi, Muxin Han, Elena Magliaro +3
We describe a minimal coupling of fermions and Yang Mills fields to the loop quantum gravity dynamics. The coupling takes a very simple form.
gr-qc2010★ 43 cited
Complex Ashtekar variables and reality conditions for Holst's action
Wolfgang Wieland
From the Holst action in terms of complex valued Ashtekar variables additional reality conditions mimicking the linear simplicity constraints of spin foam gravity are found. In qua…