Renormalizable and Unitary Lorentz Invariant Model of Quantum Gravity
We analyze the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>R</mi><mo>+</mo><msup><mi>R</mi><mn>2</mn></msup></mrow></semantics&g...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2021-11-01
|
| Series: | Universe |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2218-1997/7/11/435 |
| _version_ | 1797508318927781888 |
|---|---|
| author | Sergey A. Larin |
| author_facet | Sergey A. Larin |
| author_sort | Sergey A. Larin |
| collection | DOAJ |
| description | We analyze the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>R</mi><mo>+</mo><msup><mi>R</mi><mn>2</mn></msup></mrow></semantics></math></inline-formula> model of quantum gravity where terms quadratic in the curvature tensor are added to the General Relativity action. This model was recently proved to be a self-consistent quantum theory of gravitation, being both renormalizable and unitary. The model can be made practically indistinguishable from General Relativity at astrophysical and cosmological scales by the proper choice of parameters. |
| first_indexed | 2024-03-10T05:00:25Z |
| format | Article |
| id | doaj.art-abf5990f1aea4501a539c558ec9d1241 |
| institution | Directory Open Access Journal |
| issn | 2218-1997 |
| language | English |
| last_indexed | 2024-03-10T05:00:25Z |
| publishDate | 2021-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Universe |
| spelling | doaj.art-abf5990f1aea4501a539c558ec9d12412023-11-23T01:50:37ZengMDPI AGUniverse2218-19972021-11-0171143510.3390/universe7110435Renormalizable and Unitary Lorentz Invariant Model of Quantum GravitySergey A. Larin0Institute for Nuclear Research of the Russian Academy of Sciences, 60-th October Anniversary Prospect 7a, 117312 Moscow, RussiaWe analyze the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>R</mi><mo>+</mo><msup><mi>R</mi><mn>2</mn></msup></mrow></semantics></math></inline-formula> model of quantum gravity where terms quadratic in the curvature tensor are added to the General Relativity action. This model was recently proved to be a self-consistent quantum theory of gravitation, being both renormalizable and unitary. The model can be made practically indistinguishable from General Relativity at astrophysical and cosmological scales by the proper choice of parameters.https://www.mdpi.com/2218-1997/7/11/435modified theories of gravityrenormalizabilityunitarityastrophysical and cosmological scales |
| spellingShingle | Sergey A. Larin Renormalizable and Unitary Lorentz Invariant Model of Quantum Gravity Universe modified theories of gravity renormalizability unitarity astrophysical and cosmological scales |
| title | Renormalizable and Unitary Lorentz Invariant Model of Quantum Gravity |
| title_full | Renormalizable and Unitary Lorentz Invariant Model of Quantum Gravity |
| title_fullStr | Renormalizable and Unitary Lorentz Invariant Model of Quantum Gravity |
| title_full_unstemmed | Renormalizable and Unitary Lorentz Invariant Model of Quantum Gravity |
| title_short | Renormalizable and Unitary Lorentz Invariant Model of Quantum Gravity |
| title_sort | renormalizable and unitary lorentz invariant model of quantum gravity |
| topic | modified theories of gravity renormalizability unitarity astrophysical and cosmological scales |
| url | https://www.mdpi.com/2218-1997/7/11/435 |
| work_keys_str_mv | AT sergeyalarin renormalizableandunitarylorentzinvariantmodelofquantumgravity |