Cosmology and the fate of dilatation symmetry
We discuss the cosmological constant problem in the light of dilatation symmetry and its possible anomaly. For dilatation symmetric quantum theories realistic asymptotic cosmology is obtained provided the effective potential has a non-trivial minimum. For theories with dilatation anomaly one needs a...
Gespeichert in:
| 1. Verfasser: | |
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| Dokumenttyp: | Article (Journal) Kapitel/Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
1987
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| In: |
Arxiv
Year: 1987, Pages: 1-15 |
| DOI: | 10.48550/arXiv.1711.03844 |
| Online-Zugang: | Resolving-System, kostenfrei, Volltext: https://doi.org/10.48550/arXiv.1711.03844 Verlag, Volltext: http://arxiv.org/abs/1711.03844 
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| Verfasserangaben: | C. Wetterich, Deutsches Elektronen Synchrotron DESY, Hamburg, Germany |
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| 520 | |a We discuss the cosmological constant problem in the light of dilatation symmetry and its possible anomaly. For dilatation symmetric quantum theories realistic asymptotic cosmology is obtained provided the effective potential has a non-trivial minimum. For theories with dilatation anomaly one needs as a non-trivial "cosmon condition" that the energy-momentum tensor in the vacuum is purely anomalous. Such a condition is related to the short-distance renormalization group behavior of the fundamental theory. Observable deviations from the standard hot big bang cosmology are possible. | ||
| 650 | 4 | |a General Relativity and Quantum Cosmology | |
| 650 | 4 | |a High Energy Physics - Theory | |
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