Scale and Weyl invariance in Einstein-Cartan gravity
Abstract
We show how Einstein-Cartan gravity can accommodate both global scale and local scale (Weyl) invariance. To this end, we construct a wide class of models with nonpropagaing torsion and a nonminimally coupled scalar field. In phenomenological applications the scalar field is associated with the Higgs boson. For global scale invariance, an additional field—dilaton—is needed to make the theory phenomenologically viable. In the case of the Weyl symmetry, the dilaton is spurious and the theory reduces to a sub-class of one-field models. In both scenarios of scale invariance, we derive an equivalent metric theory and discuss possible implications for phenomenology.
- Authors:
- Publication Date:
- Research Org.:
- Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Org.:
- USDOE; European Research Council (ERC); Swiss National Science Foundation (SNSF)
- OSTI Identifier:
- 1833873
- Alternate Identifier(s):
- OSTI ID: 1837537
- Grant/Contract Number:
- SC0011842; 694896; 200020B_182864
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 104 Journal Issue: 12; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Karananas, Georgios K., Shaposhnikov, Mikhail, Shkerin, Andrey, and Zell, Sebastian. Scale and Weyl invariance in Einstein-Cartan gravity. United States: N. p., 2021.
Web. doi:10.1103/PhysRevD.104.124014.
Karananas, Georgios K., Shaposhnikov, Mikhail, Shkerin, Andrey, & Zell, Sebastian. Scale and Weyl invariance in Einstein-Cartan gravity. United States. https://doi.org/10.1103/PhysRevD.104.124014
Karananas, Georgios K., Shaposhnikov, Mikhail, Shkerin, Andrey, and Zell, Sebastian. Fri .
"Scale and Weyl invariance in Einstein-Cartan gravity". United States. https://doi.org/10.1103/PhysRevD.104.124014.
@article{osti_1833873,
title = {Scale and Weyl invariance in Einstein-Cartan gravity},
author = {Karananas, Georgios K. and Shaposhnikov, Mikhail and Shkerin, Andrey and Zell, Sebastian},
abstractNote = {We show how Einstein-Cartan gravity can accommodate both global scale and local scale (Weyl) invariance. To this end, we construct a wide class of models with nonpropagaing torsion and a nonminimally coupled scalar field. In phenomenological applications the scalar field is associated with the Higgs boson. For global scale invariance, an additional field—dilaton—is needed to make the theory phenomenologically viable. In the case of the Weyl symmetry, the dilaton is spurious and the theory reduces to a sub-class of one-field models. In both scenarios of scale invariance, we derive an equivalent metric theory and discuss possible implications for phenomenology.},
doi = {10.1103/PhysRevD.104.124014},
journal = {Physical Review D},
number = 12,
volume = 104,
place = {United States},
year = {Fri Dec 03 00:00:00 EST 2021},
month = {Fri Dec 03 00:00:00 EST 2021}
}
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