Quintessence and effective RN de Sitter brane geometries K. Priyabrat Pandey, Abhishek K. Singh, Sunita Singh, Richa Kapoor and Supriya Kar Eur. Phys. J. C, 74 11 (2014) 3173 Published online: 21 November 2014 DOI: 10.1140/epjc/s10052-014-3173-z