Conformal invariant cosmological perturbations via the covariant approach

23 Sep 2015 Li Mingzhe Mou Yicen

It is known that some cosmological perturbations are conformal invariant. This facilitates the studies of perturbations within some gravitational theories alternative to general relativity, for example the scalar-tensor theory, because it is possible to do equivalent analysis in a certain frame in which the perturbation equations are simpler... (read more)

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Categories


  • GENERAL RELATIVITY AND QUANTUM COSMOLOGY
  • COSMOLOGY AND NONGALACTIC ASTROPHYSICS
  • HIGH ENERGY PHYSICS - THEORY