2 papers
gr-qc2026
Canonical Clock Sectors and Relational Frame Equivalence in Brans--Dicke Theory
Yaser Tavakoli, Jerzy Lewandowski
We investigate the equivalence of the Jordan and Einstein frames of the Brans--Dicke theory before and after relational deparametrization of the constrained Hamiltonian system. Alt…
gr-qc2024
Scalar curvature operator for quantum-reduced loop gravity
Jerzy Lewandowski, Ilkka Mäkinen
In a previous article we have introduced an operator representing the three-dimensional scalar curvature in loop quantum gravity. In this article we examine the new curvature opera…