Relational particle models as toy models for quantum gravity and quantum cosmology

Details Relational particle models as toy models for quantum gravity and quantum cosmology Relational particle models as toy models for quantum gravity and quantum cosmology

2005-09-14

arxiv.org/abs/gr-qc/0509054v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Talk at Einstein centenary conference, Paris. Minor update with references

Scientific paper

10.1063/1.2399586

It is argued that substantial portions of both Newtonian particle mechanics and general relativity can be viewed as relational (rather than absolute) theories. I furthermore use the relational particle models as toy models to investigate the problem of time in closed-universe canonical quantum general relativity. I consider thus in particular the internal time, semiclassical and records tentative resolutions of the problem of time.

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