Abstract
In this work, at first, we investigate gradient Einstein-type spacetimes. After that, we study the properties of a gradient Einstein-type spacetime admitting a parallel vector field. In the next parts, we present a systematic study about gradient Einstein-type spacetime obeying f(R, T) and f(R,Lm) gravity theories. Finally, in the cosmological context we find some remarkable results.
| Original language | English |
|---|---|
| Pages (from-to) | 4003-4011 |
| Number of pages | 9 |
| Journal | Indian Journal of Physics |
| Volume | 99 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - Sept 2025 |
Bibliographical note
Publisher Copyright:© The Author(s) 2025.
Keywords
- Dark matter era
- Energy density
- Generalized Robertson-Walker spacetime
- Gradient Einstein-type spacetime
- Isotropic pressure
- Modified gravity
- Parallel vector field
- Perfect fluid
- Phantom era
- Roberton-Walker spacetime
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