Around MOND: Lagrangians, Hubble Equations, Perturbations and External Field Effect

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dc.creatorHalle, Anaelle
dc.date2007-10-21
dc.date.accessioned2026-07-07T08:37:38Z
dc.date.available2026-07-07T08:37:38Z
dc.descriptionThe MOdified Newtonian Dynamics (MOND) is presented here, as well as a theory that can be linked to it: the theory of the Aether, a four-vector field breaking Lorentz invariance. The form of its Lagrangian is studied, then basic equations of the theory are rederived in a detailed way, and calculated for different metrics, exploring the impact of non-zero spatial terms of the Aether. A brief attempt of making the Aether Lagrangian depend on a scalar field is presented. An analytic solving of a galaxy model with an external field is described, which highlights the MONDian external field effect that breaks the strong equivalence principle.
dc.descriptionReport of a Project done in St Andrews for study in Ecole Normale Superieure, Paris. Details in http://www.eleves.ens.fr/home/halle/ Comments Welcome
dc.identifierhttps://arxiv.org/abs/0710.3898
dc.identifierhttp://arxiv.org/abs/0710.3898
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/140466
dc.subjectAstrophysics
dc.titleAround MOND: Lagrangians, Hubble Equations, Perturbations and External Field Effect
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