Nonpropagation of massive mode on AdS2 in topologically massive gravity Yong-Wan Kim, Yun Soo Myung and Young-Jai Park Eur. Phys. J. C, 67 3-4 (2010) 533-541 Published online: 19 May 2010 DOI: 10.1140/epjc/s10052-010-1333-3