282 citations · 4k across the 98 of their papers we have counts for
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gr-qc2013★ 32 cited
Resolution of type IV singularities in quantum cosmology
Mariam Bouhmadi-Lopez, Claus Kiefer, Manuel Kraemer
We discuss the fate of classical type IV singularities in quantum cosmology. The framework is Wheeler-DeWitt quantization applied to homogeneous and isotropic universes with a perf…
gr-qc2013★ 79 cited
On the modification of the cosmic microwave background anisotropy spectrum from canonical quantum gravity
Donato Bini, Giampiero Esposito, Claus Kiefer +2
We evaluate the modifications to the cosmic microwave background anisotropy spectrum that result from a semiclassical expansion of the Wheeler-DeWitt equation. Recently, such an in…
physics.hist-ph2013★ 4 cited
On the Concept of Law in Physics
Claus Kiefer
I discuss the main features of the concept of law in physics. Fundamental laws from Newtonian mechanics to general relativity are reviewed. I end with an outlook on the new form of…