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Loop quantum gravity
  KTH/Nordita/SU seminar in Theoretical Physics [before December 2013]

Wednesday 05 November 2008
from 11:00 to 12:00
at FA31
Speaker : Kristina Giesel (Nordita)
Abstract : Next to String theory Loop Quantum Gravity (LQG) is one of the candidates for a theory describing the quantization of gravity. In this talk we want to give a brief introduction to the concepts and techniques used in LQG. The starting point of LQG is a Hamiltonian formulation of classical General Relativity. Using the technique of canonical quantization we present how a quantum analogue of the classical Einstein -- Equations, the so called Quantum -- Einstein -- Equations, can be derived. These equations are obviously as complex as their classical counterpart so we will discuss how they have been analyzed so far, which approximations have been used and to which extent they can give us some insight on the properties of space time at the Planck scale. Finally we will present some aspects of current research in LQG and give an outlook including a discussion on open problems of LQG.

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