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  1. We search for detectable signatures of f(R) gravity and its chameleon screening mechanism in the baryonic and dark matter (DM) properties of simulated void galaxies. The enhancement of the gravitational acceleration can have a meaningful impact on the scaling relations as well as on the halo morphology. The galaxy rotational velocity field (calculated with the velocity of the gas disc and the ...
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  3. academic.oup.com

    In most recent years, several efforts have been done in order to modify existing N-body and hydrodynamical codes to take into account different models of modified gravity. In particular, the f(R) gravity theory is among the most promising theories [see Llinares for a review on simulation techniques for modified gravity]. 3.1 shibone simulations
  4. durham-repository.worktribe.com

    hand, dwarf galaxies in low-density environments may remain unscreened. This kind of galaxies, in such environments, may exhibit manifestations of enhanced gravity in their internal dynamics and condensation of gas and stars. Therefore, dwarf galaxies are ideal scenarios to test the effect of MOG theories, in particular, f ( R ) theories.
  5. export.arxiv.org

    Title: Fingerprints of modified gravity on galaxies in voids. ... (DM) properties of simulated void galaxies. The enhancement of the gravitational acceleration can have a meaningful impact on the scaling relations as well as on the halo morphology. The galaxy rotational velocity field (calculated with the velocity of the gas disc and the ...
  6. inspirehep.net

    Fingerprints of modified gravity on galaxies in voids. Pedro Cataldi, Susana Pedrosa, Nelson Padilla, Susana Landau, Christian Arnold. Show All(6) Jul 26, 2022. 19 pages. ... Voids in Modified Gravity: Excursion Set Predictions. Joseph Clampitt (Pennsylvania U.), Yan-Chuan Cai. Mon.Not.Roy.Astron.Soc. 431 (2013) 749C • e-Print:
  7. academia.edu

    We search for detectable signatures of f(R) gravity and its chameleon screening mechanism in the baryonic and dark matter (DM) properties of simulated void galaxies. The enhancement of the gravitational acceleration can have a meaningful impact on
  8. researchgate.net

    MNRAS000,1-16(2022) Preprint27July2022 CompiledusingMNRASLATEXstylefilev3.0 Fingerprintsofmodifiedgravityongalaxiesinvoids PedroCataldi,1★SusanaPedrosa,1 ...
  9. ri.conicet.gov.ar

    We find that small haloes are less triaxial and more round in f(R) than their GR counterparts. The difference between halo morphology becomes smaller in f(R) haloes whose inner regions are screened. These results suggest possible observables that could unveil modified gravity effects on galaxies in voids in future cosmological tests of gravity.

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