C O ] 2 8 Ju l 2 01 3 Planck constraints on single-field inflation

Shinji Tsujikawa, Junko Ohashi, Sachiko Kuroyanagi, and Antonio De Felice 3 Department of Physics, Faculty of Science, Tokyo University of Science, 1-3, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan TPTP & NEP, The Institute for Fundamental Study, Naresuan University, Phitsanulok 65000, Thailand Thailand Center of Excellence in Physics, Ministry of Education, Bangkok 10400, Thailand (Dated: July 30, 2013)