MG14 - Talk detail |
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Participant |
Staykov, Kalin | |||||||
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Institution |
Sofia University, Faculty of Physics - 5 James Bourchier Blvd. - Sofia - Sofia - Bulgaria | |||||||
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Session |
BH4 |
Accepted |
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Talk |
Oral abstract |
Title |
Neutron And Strange Stars In R-Squared Gravity | |||||
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Abstract |
We study non-perturbatively and self-consitently neutron and strange stars in $f(R)$ theory of gravity, with $f(R) = R + aR^2$, the so-called $R$-squared gravity. Slowly rotating models as well as f-mode oscillations are thoroughly investigated. The results are compared to the general relativistic ones and the differences in the results are discussed. A high degree of equation of state independence and insensitivity to the gravitational theory of the adopted asteroseismology relations is observed.(ref. S. Yazadjiev, D. Doneva, K. Kokkotas, K. Staykov, JCAP 06, 003 (2014), K. Staykov, D. Doneva, S. Yazadjiev, K. Kokkotas, JCAP, 1410, 006 (2014, Kalin V. Staykov, Daniela D. Doneva, Stoytcho S. Yazadjiev, Kostas D. Kokkotas, arXiv:1503.04711 [gr-qc], submitted to Phys. Rev. D) |
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