Early dark energy - PowerPoint PPT Presentation

Modified Gravity

Modified Gravity. Modification of Einstein equation. replace. keep diffeomorphism symmetry ! at least unimodular diffeomorphisms. Modification of Einstein equation. modified gravity. Dark Energy. Split is ambiguous ! example : cosmological constant. Quantum effective action.

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1.46k views • 98 slides

C luster L ensing A nd S upernova survey with H ubble

C luster L ensing A nd S upernova survey with H ubble. Marc Postman, STScI Science with HST IV – Rome – March 19, 2014. The CLASH Science Team: ~60 researchers, 30 institutions, 12 countries. CLASH Team at RAS, London, Sept 2013.

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451 views • 28 slides

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