@ARTICLE{Huang-0903-3407,
 author = "J. Richard Bond, Andrei V. Frolov, Zhiqi Huang, Lev Kofman",
 title = "{Non-Gaussian Curvature Spikes from Chaotic Billiards in Inflation Preheating}",
 journal = "{PRL}",
 year = {2009},
 month = {Aug},
 date = {14},
 volume = {103},
 issue = {7},
 pages = {071301},
 doi = {10.1103/PhysRevLett.103.071301},
 archivePrefix = {arXiv},
 eprint = {0903.3407}
}