Cosmology and Nonlinear Supersymmetric General Relativity

Details Cosmology and Nonlinear Supersymmetric General Relativity Cosmology and Nonlinear Supersymmetric General Relativity

2005-12-24

arxiv.org/abs/hep-th/0512308v1

PoS HEP2005 (2006) 011

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, Latex, Based on the talk given by K. Shima at International Europhysics Conference on High Energy Physics, July 21st-

Scientific paper

We discuss cosmological implications of nonlinear supersymmetric(NLSUSY) general relativity(GR) of the form of Einstein-Hilbert(EH) action for empty spacetime, where NLSUSY GR is obtained by the geomtrical arguments on new spacetime just inspired by NLSUSY. The new action of NLSUSY GR is unstable and breaks down spontaneously to EH action with Nambu-Goldstone(NG) fermion matter. We show that NLSUSY GR elucidates the physical meanings of the cosmologically important quantities, e.g., the spontaneous SUSY breaking scale, the cosmological constant, the dark energy and the neutrino mass and describe natually the paradigm of the accelerated expansion of the present universe.

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