2 papers
gr-qc2021
Analysing (cosmological) singularity avoidance in loop quantum gravity using U coherent states and Kummer's functions
Kristina Giesel, David Winnekens
Using a new procedure based on Kummer's Confluent Hypergeometric Functions, we investigate the question of singularity avoidance in loop quantum gravity (LQG) in the context of U$(…
gr-qc2018
Dynamics of Dirac observables in canonical cosmological perturbation theory
Kristina Giesel, Parampreet Singh, David Winnekens
The relational formalism based on geometrical clocks and Dirac observables in linearized canonical cosmological perturbation theory is used to introduce an efficient method to find…