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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2604.04617 |
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| _version_ | 1866914550743302144 |
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| author | Prasetyo, Ilham Gunara, Bobby Eka Suroso, Agus |
| author_facet | Prasetyo, Ilham Gunara, Bobby Eka Suroso, Agus |
| contents | In this article, we report the results of comparing the effect of using trace of stress-energy tensor versus real-valued scalar field in Nonminimal Derivative Coupling gravitation model, respectively denoted as NMDC-T and NMDC-phi. We employ the model into an incompressible star and see the effect of both models NMDC-T and NMDC-phi on the compactness and mass-radius relation. We find that coupling parameters of NMDC-T is less sensitive than NMDC-phi. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_04617 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Preliminary study on the impact of stress-energy tensor compared to scalar field in Nonminimal Derivative model Prasetyo, Ilham Gunara, Bobby Eka Suroso, Agus General Relativity and Quantum Cosmology Solar and Stellar Astrophysics High Energy Physics - Theory In this article, we report the results of comparing the effect of using trace of stress-energy tensor versus real-valued scalar field in Nonminimal Derivative Coupling gravitation model, respectively denoted as NMDC-T and NMDC-phi. We employ the model into an incompressible star and see the effect of both models NMDC-T and NMDC-phi on the compactness and mass-radius relation. We find that coupling parameters of NMDC-T is less sensitive than NMDC-phi. |
| title | Preliminary study on the impact of stress-energy tensor compared to scalar field in Nonminimal Derivative model |
| topic | General Relativity and Quantum Cosmology Solar and Stellar Astrophysics High Energy Physics - Theory |
| url | https://arxiv.org/abs/2604.04617 |