Inflation with improved D3-brane potential and the fine tunings associated with the model Amna Ali, Atri Deshamukhya, Sudhakar Panda and M. Sami Eur. Phys. J. C, 71 6 (2011) 1672 Published online: 02 June 2011 DOI: 10.1140/epjc/s10052-011-1672-8