(2 + 1)-dimensional interacting model of two massless spin-2 fields as a bi-gravity model
We propose a new group-theoretical (Chern–Simons) formulation for the bi-metric theory of gravity in (2+1)-dimensional spacetime which describe two interacting massless spin-2 fields. Our model has been formulated in terms of two dreibeins rather than two metrics. We obtain our Chern–Simons gravity...
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| Format: | Article |
| Language: | English |
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Elsevier
2018-06-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269318302995 |
| _version_ | 1818574473022930944 |
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| author | S. Hoseinzadeh A. Rezaei-Aghdam |
| author_facet | S. Hoseinzadeh A. Rezaei-Aghdam |
| author_sort | S. Hoseinzadeh |
| collection | DOAJ |
| description | We propose a new group-theoretical (Chern–Simons) formulation for the bi-metric theory of gravity in (2+1)-dimensional spacetime which describe two interacting massless spin-2 fields. Our model has been formulated in terms of two dreibeins rather than two metrics. We obtain our Chern–Simons gravity model by gauging mixed AdS–AdS Lie algebra and show that it has a two dimensional conformal field theory (CFT) at the boundary of the anti de Sitter (AdS) solution. We show that the central charge of the dual CFT is proportional to the mass of the AdS solution. We also study cosmological implications of our massless bi-gravity model. |
| first_indexed | 2024-12-15T00:27:07Z |
| format | Article |
| id | doaj.art-c917b2dbea88423b965522eaf274f0bb |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-12-15T00:27:07Z |
| publishDate | 2018-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-c917b2dbea88423b965522eaf274f0bb2022-12-21T22:42:08ZengElsevierPhysics Letters B0370-26932018-06-01781383389(2 + 1)-dimensional interacting model of two massless spin-2 fields as a bi-gravity modelS. Hoseinzadeh0A. Rezaei-Aghdam1Department of Physics, Faculty of Science, Azarbaijan Shahid Madani University, 53714-161, Tabriz, IranCorresponding author.; Department of Physics, Faculty of Science, Azarbaijan Shahid Madani University, 53714-161, Tabriz, IranWe propose a new group-theoretical (Chern–Simons) formulation for the bi-metric theory of gravity in (2+1)-dimensional spacetime which describe two interacting massless spin-2 fields. Our model has been formulated in terms of two dreibeins rather than two metrics. We obtain our Chern–Simons gravity model by gauging mixed AdS–AdS Lie algebra and show that it has a two dimensional conformal field theory (CFT) at the boundary of the anti de Sitter (AdS) solution. We show that the central charge of the dual CFT is proportional to the mass of the AdS solution. We also study cosmological implications of our massless bi-gravity model.http://www.sciencedirect.com/science/article/pii/S0370269318302995 |
| spellingShingle | S. Hoseinzadeh A. Rezaei-Aghdam (2 + 1)-dimensional interacting model of two massless spin-2 fields as a bi-gravity model Physics Letters B |
| title | (2 + 1)-dimensional interacting model of two massless spin-2 fields as a bi-gravity model |
| title_full | (2 + 1)-dimensional interacting model of two massless spin-2 fields as a bi-gravity model |
| title_fullStr | (2 + 1)-dimensional interacting model of two massless spin-2 fields as a bi-gravity model |
| title_full_unstemmed | (2 + 1)-dimensional interacting model of two massless spin-2 fields as a bi-gravity model |
| title_short | (2 + 1)-dimensional interacting model of two massless spin-2 fields as a bi-gravity model |
| title_sort | 2 1 dimensional interacting model of two massless spin 2 fields as a bi gravity model |
| url | http://www.sciencedirect.com/science/article/pii/S0370269318302995 |
| work_keys_str_mv | AT shoseinzadeh 21dimensionalinteractingmodeloftwomasslessspin2fieldsasabigravitymodel AT arezaeiaghdam 21dimensionalinteractingmodeloftwomasslessspin2fieldsasabigravitymodel |