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  1. iopscience.iop.org

    This is especially true of Vainshtein screening, where the fifth force is suppressed by high-order derivative terms which dominate within a radius much larger than the size of the source, known as the Vainshtein radius. ... Automated solution of differential equations by the finite element method, Springer, Berlin, Heidelberg, Germany (2012).
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  3. Within the landscape of modified theories of gravity, progress in understanding the behaviour of, and developing tests for, screening mechanisms has been hindered by the complexity of the field equations involved, which are nonlinear in nature and characterised by a large hierarchy of scales. This is especially true of Vainshtein screening, where the fifth force is suppressed by high-order ...
    Author:Jonathan Braden, Clare Burrage, Benjamin Elder, Daniela SaadehPublished:2020
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  5. inspirehep.net

    This is especially true of Vainshtein screening, where the fifth force is suppressed by high-order derivative terms which dominate within a radius much larger than the size of the source, known as the Vainshtein radius. =-1 In this work, we present the numerical code φenics, building on the FEniCS library, to solve the full equations of motion ...
  6. nottingham-repository.worktribe.com

    Within the landscape of modified theories of gravity, progress in understanding the behaviour of, and developing tests for, screening mechanisms has been h... φenics: Vainshtein screening with the finite element method
  7. Within the landscape of modified theories of gravity, progress inunderstanding the behaviour of, and developing tests for, screening mechanismshas been hindered by the complexity of the field equations involved, which arenonlinear in nature and characterised by a large hierarchy of scales. This isespecially true of Vainshtein screening, where the fifth force is suppressed byhigh-order ...
  8. researcher-app.com

    This is especially true of Vainshtein screening, where the fifth force is suppressed by high-order derivative terms which dominate within a radius much larger than the size of the source, known as the Vainsh ... This article therefore also provides a worked example of how the finite element method can be employed to solve the screened equations ...
  9. researchgate.net

    We focus on the nDGP model which employs Vainshtein screening, and test our method by running AMR simulations in which the solutions on the finer levels of the mesh (high density) are not obtained ...
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