First Steps to a Theory of Quantum Gravity

Sundance Bilson-Thompson ()
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Sundance Bilson-Thompson: University of Adelaide, School of Physics, Chemistry and Earth Sciences

Chapter Chapter 5 in Loop Quantum Gravity for the Bewildered, 2024, pp 59-68 from Springer

Abstract: Abstract This chapter covers the attempt to quantise general relativity, through a reformulation in terms of the Ashtekar variables. These are introduced, and the role and significance of the Barbero-Immirzi parameter is explored. The attempt to find a basis of states for quantum spacetime which satisfy the Hamiltonian, diffeomorphism, and Gauss constraints is used to motivate the choice of loop variables, from which loop quantum gravity gets its name.

Date: 2024
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DOI: 10.1007/978-3-031-43452-5_5

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