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hep-th2007
Scaling Cosmologies from Duality Twisted Compactifications
James E. Lidsey, Karim A. Malik
Oscillating moduli fields can support a cosmological scaling solution in the presence of a perfect fluid when the scalar field potential satisfies appropriate conditions. We examin…
hep-th2002
Cosmological Brane Perturbations
Karim A. Malik
Two approaches to the study of cosmological perturbations in the brane-world scenario are compared: the first uses the 5D equations directly whereas the second approach projects th…