CMB anomalies from an inflationary model in string theory Zhi-Guo Liu, Zong-Kuan Guo and Yun-Song Piao Eur. Phys. J. C, 74 8 (2014) 3006 Published online: 07 August 2014 DOI: 10.1140/epjc/s10052-014-3006-0