Generalized cosmological constant from gauging Maxwell-conformal algebra
The Maxwell extension of the conformal algebra is presented. With the help of gauging the Maxwell-conformal group, a conformally invariant theory of gravity is constructed. In contrast to the conventional conformally invariant actions, our gravitational action contains the Einstein-Hilbert term with...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2020-04-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S037026932030099X |
| _version_ | 1818119018803888128 |
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| author | Salih Kibaroğlu Oktay Cebecioğlu |
| author_facet | Salih Kibaroğlu Oktay Cebecioğlu |
| author_sort | Salih Kibaroğlu |
| collection | DOAJ |
| description | The Maxwell extension of the conformal algebra is presented. With the help of gauging the Maxwell-conformal group, a conformally invariant theory of gravity is constructed. In contrast to the conventional conformally invariant actions, our gravitational action contains the Einstein-Hilbert term without introducing any additional (compensator) scalar field to satisfy the local scale invariance. This is achieved by using the curvatures of the algebra. In a special condition, we show that the resulting action is reduced to the Brans-Dicke like theory of gravity. We subsequently find the generalized Einstein field equation together with a coordinate dependent cosmological term and additional contributions. Keywords: Lie algebra, Gauge field theory, Modified theory of gravity, Cosmological constant |
| first_indexed | 2024-12-11T05:03:32Z |
| format | Article |
| id | doaj.art-1502cc8e71c141bf88627c496f7e3336 |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-12-11T05:03:32Z |
| publishDate | 2020-04-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-1502cc8e71c141bf88627c496f7e33362022-12-22T01:20:05ZengElsevierPhysics Letters B0370-26932020-04-01803Generalized cosmological constant from gauging Maxwell-conformal algebraSalih Kibaroğlu0Oktay Cebecioğlu1Corresponding author.; Department of Physics, Kocaeli University, 41380 Kocaeli, TurkeyDepartment of Physics, Kocaeli University, 41380 Kocaeli, TurkeyThe Maxwell extension of the conformal algebra is presented. With the help of gauging the Maxwell-conformal group, a conformally invariant theory of gravity is constructed. In contrast to the conventional conformally invariant actions, our gravitational action contains the Einstein-Hilbert term without introducing any additional (compensator) scalar field to satisfy the local scale invariance. This is achieved by using the curvatures of the algebra. In a special condition, we show that the resulting action is reduced to the Brans-Dicke like theory of gravity. We subsequently find the generalized Einstein field equation together with a coordinate dependent cosmological term and additional contributions. Keywords: Lie algebra, Gauge field theory, Modified theory of gravity, Cosmological constanthttp://www.sciencedirect.com/science/article/pii/S037026932030099X |
| spellingShingle | Salih Kibaroğlu Oktay Cebecioğlu Generalized cosmological constant from gauging Maxwell-conformal algebra Physics Letters B |
| title | Generalized cosmological constant from gauging Maxwell-conformal algebra |
| title_full | Generalized cosmological constant from gauging Maxwell-conformal algebra |
| title_fullStr | Generalized cosmological constant from gauging Maxwell-conformal algebra |
| title_full_unstemmed | Generalized cosmological constant from gauging Maxwell-conformal algebra |
| title_short | Generalized cosmological constant from gauging Maxwell-conformal algebra |
| title_sort | generalized cosmological constant from gauging maxwell conformal algebra |
| url | http://www.sciencedirect.com/science/article/pii/S037026932030099X |
| work_keys_str_mv | AT salihkibaroglu generalizedcosmologicalconstantfromgaugingmaxwellconformalalgebra AT oktaycebecioglu generalizedcosmologicalconstantfromgaugingmaxwellconformalalgebra |