Berlin 2014 – wissenschaftliches Programm

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GR: Fachverband Gravitation und Relativitätstheorie

GR 7: Quantum Gravity and Quantum Cosmology I

GR 7.4: Vortrag

Montag, 17. März 2014, 18:30–18:50, SPA SR220

Lorentzian Regge Calculus and Spinfoam: an example with fixed Topology — •Dimitri Marinelli¹ and Giorgio Immirzi² — ¹Dipartimento di Fisica, Università degli Studi di Pavia, Pavia, Italy — ²Colle Ballone, Montopoli di Sabina, Italy

Regge Calculus is the classical starting point for a bunch of different models of Quantum Gravity. I will present two different solutions of this classical model of gravity for a fixed topology. Some interesting aspects and open problems related to the Lorentzian structure of the discrete system will be analyzed. Moreover, I will present the first steps towards the implementation of the Spinfoam Quantization based on these classical solutions of the Regge Calculus.