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From twistors to twisted geometries
classification
🌀 gr-qc
hep-th
keywords
geometriesgraphphasespacetwistedtwistorscellulardecomposition
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In a previous paper we showed that the phase space of loop quantum gravity on a fixed graph can be parametrized in terms of twisted geometries, quantities describing the intrinsic and extrinsic discrete geometry of a cellular decomposition dual to the graph. Here we unravel the origin of the phase space from a geometric interpretation of twistors.
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Cited by 1 Pith paper
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Area bounds and gauge fixing: alternative canonical variables for loop gravity
New canonical variables for loop gravity give analytical area bounds proving a non-zero lower limit in two-vertex models and ease gauge fixing.
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