University of Cambridge > > DAMTP Friday GR Seminar > MOND and TeVeS Modified Gravity: Testing the Theories

MOND and TeVeS Modified Gravity: Testing the Theories

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If you have a question about this talk, please contact David Kubiznak.

Dark Matter and General Relativity have formed two of the central pillars of modern Cosmology since the first detailed analysis of rotation curves showed their unexpected flat shape, and they have both gone on to be used as a essential components for structure formation and fitting the Cosmic Microwave Background. There have, however, been some alternatives presented. Rather than invoking large quantities of invisible matter, MOND and it’s relativistic partner TeVeS, claim to be able to fit the same data through changing the behaviour of the gravitational force at certain scales. These theories are introduced in this talk, as well as some of the work done on testing these theories against rotation curve data. Expanding upon this, new research done on testing the theories using gravitational lensing survey data in combination with rotation curve analysis has begun to show that perhaps there are limitations to the claims of the theories to explain the universe in a ‘No Dark Matter’ paradigm. In this talk, this research is explored and discussed, asking what room, if any, is left for these modified theories of gravity after such an analysis.

This talk is part of the DAMTP Friday GR Seminar series.

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