SQG2 - Loop Quantum Gravity, Quantum Geometry, Spin Foams |
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Speaker |
Kazmierczak, Marcin |
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Talk Title |
The Poincar{\'e} Gauge Theory of Gravity and the Immirzi Parameter |
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Abstract |
The formulation of the Einstein-Cartan theory as a gauge theory of the Poincare group will be recalled. The ambiguity of the standard minimal coupling procedure in this theory will be explained and a natural solution presented. The inclusion of the Holst term and the spin generating matter will be discussed. The issue of measurability of the Immirzi parameter in semi-classical experiments, which do not invoke to the quantum theory of geometry, will be reconsidered. |
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Talk view |
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