X. Chen, R. Easther, and E. Lim. (2006)cite arxiv:astro-ph/0611645
Comment: 23 pages JHEP-style, 7 Figures. Updated with improved results.
Accepted for publication by JCAP.
L. Verde, R. Jimenez, M. Kamionkowski, and S. Matarrese. (2000)cite arxiv:astro-ph/0011180
Comment: 6 pages, 2 figures, MNRAS in press (minor changes to match the
accepted version).
X. Chen, M. xin Huang, S. Kachru, and G. Shiu. (2006)cite arxiv:hep-th/0605045
Comment: 53 pages, 5 figures; v3, minor revision, JCAP version; v4, numerical
coefficients corrected in Appendix B, discussion on consistency condition
revised.