Sökning: "Mikael Von Strauss"

Hittade 3 avhandlingar innehållade orden Mikael Von Strauss.

1. 1. The BIG ghost

   Författare :Mikael von Strauss; Kjell Rosquist; Ariel Goobar; Edwin Langmann; Stockholms universitet; []
   Nyckelord :modified gravity; extra dimensions; cosmological constant;

   Sammanfattning : In this thesis we present work done in an analysis of models of brane induced gravity. These are higher dimensional generalizations of Einstein's General relativity where our universe is considered as a brane in a higher dimensional bulk and where the gravitational dynamics on the brane is enhanced. LÄS MER

3. 2. Unravelling Consistent Spin-2 Interactions

   Författare :Mikael von Strauss; Sayed Fawad Hassan; Mikhail Volkov; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Modified Gravity; Massive Spin-2; Spin-2 Interactions; teoretisk fysik; Theoretical Physics;

   Sammanfattning : Recently, a unique formulation of a classically consistent theory of massive spin-2 fields has emerged. In this thesis I address a few of the primary questions that arise once such a theory is available. LÄS MER

4. 3. Symmetries and black holes in Hassan–Rosen bimetric theory

   Författare :Francesco Torsello; Edvard Mörtsell; Mikael von Strauss; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; teoretisk fysik; Theoretical Physics;

   Sammanfattning : The Hassan–Rosen bimetric theory is an extension of general relativity which considers the interaction between two metric fields defined on the same differentiable manifold. Self-accelerating cosmologies are exact solutions of this theory, and this makes it interesting to explore. LÄS MER