DBI in the Sky Export

@misc{citeulike:894349, abstract = {We analyze the spectrum of density perturbations generated in models of the recently discovered "D-cceleration" mechanism of inflation. In this scenario, strong coupling quantum field theoretic effects sum to provide a DBI-like action for the inflaton. We show that the model has a strict lower bound on the non-Gaussianity of the CMBR power spectrum at an observable level, and is thus falsifiable. This in particular observationally distinguishes this mechanism from traditional slow roll inflation generated by weakly interacting scalar fields. The model also favors a large observable tensor component to the CMBR spectrum.}, archivePrefix = {arXiv}, author = {Alishahiha, Mohsen and Silverstein, Eva and Tong, David}, citeulike-article-id = {894349}, citeulike-linkout-0 = {http://arxiv.org/abs/hep-th/0404084}, citeulike-linkout-1 = {http://arxiv.org/pdf/hep-th/0404084}, day = {26}, eprint = {hep-th/0404084}, keywords = {inflation, nongaussianities, toread}, month = {Jul}, posted-at = {2006-10-12 16:58:29}, priority = {2}, title = {DBI in the Sky}, url = {http://arxiv.org/abs/hep-th/0404084}, year = {2005} }

TY - ELEC ID - citeulike:894349 L3 - citeulike-article-id:894349 N2 - We analyze the spectrum of density perturbations generated in models of the recently discovered "D-cceleration" mechanism of inflation. In this scenario, strong coupling quantum field theoretic effects sum to provide a DBI-like action for the inflaton. We show that the model has a strict lower bound on the non-Gaussianity of the CMBR power spectrum at an observable level, and is thus falsifiable. This in particular observationally distinguishes this mechanism from traditional slow roll inflation generated by weakly interacting scalar fields. The model also favors a large observable tensor component to the CMBR spectrum. TI - DBI in the Sky KW - inflation KW - nongaussianities KW - toread AU - Alishahiha, Mohsen AU - Silverstein, Eva AU - Tong, David PY - 2005/Jul/26/ UR - http://arxiv.org/abs/hep-th/0404084 ER -