Brane world solutions, standard cosmology, and dark radiation

Nov, 1999
4 pages
Published in:
  • Phys.Lett.B 473 (2000) 241-245
e-Print:

Citations per year

199920052011201720230510152025
Abstract:
New exact solutions of brane-world cosmology are given. These solutions include an arbitrary constant C, which is determined by the geometry outside the brane and which affects the cosmological evolution in the brane-world. If C is zero, then the standard cosmology governs the brane-world as a low-energy effective cosmological theory. However, if C is not zero, then even in low-energy the brane-world cosmology gives predictions different from the standard one. The difference can be understood as ``dark radiation'', which is not real radiation but alters cosmological evolutions.
  • 04.50.+h
  • 98.80.Cq
  • 12.10.-g
  • 11.25.Mj
  • gravitation
  • dimension: 5
  • Einstein equation: solution
  • cosmological model
  • membrane model
  • radiation