%0 Generic %1 changa2022second %A Changa, Zhe %A Tinga, Kung-Yu %A Zhang, Xukun %A Zhou, Jing-Zhi %D 2022 %K library %T Second order scalar perturbations induced by primordial curvature and tensor perturbations %U http://arxiv.org/abs/2211.11948 %X The primordial perturbations will inevitably generate higher order perturbations. We study the second order scalar perturbations generated by the primordial curvature and tensor perturbations in the radiation-dominated era. After presenting all the possible second-order source terms, we obtain the explicit expressions of the kernel functions and the power spectra of the second order scalar perturbations. The contributions from the initial second-order perturbations are considered. We calculate the power spectra of second order scalar perturbations for different tensor-to-scalar ratio $r$.

@misc{changa2022second, abstract = {The primordial perturbations will inevitably generate higher order perturbations. We study the second order scalar perturbations generated by the primordial curvature and tensor perturbations in the radiation-dominated era. After presenting all the possible second-order source terms, we obtain the explicit expressions of the kernel functions and the power spectra of the second order scalar perturbations. The contributions from the initial second-order perturbations are considered. We calculate the power spectra of second order scalar perturbations for different tensor-to-scalar ratio $r$.}, added-at = {2022-11-23T06:59:09.000+0100}, author = {Changa, Zhe and Tinga, Kung-Yu and Zhang, Xukun and Zhou, Jing-Zhi}, biburl = {https://www.bibsonomy.org/bibtex/22aa3d08c50dd37f8e0e4170454615c40/gpkulkarni}, description = {Second order scalar perturbations induced by primordial curvature and tensor perturbations}, interhash = {90c0d578820b6d6a687c5895cbd0184c}, intrahash = {2aa3d08c50dd37f8e0e4170454615c40}, keywords = {library}, note = {cite arxiv:2211.11948}, timestamp = {2022-11-23T06:59:09.000+0100}, title = {Second order scalar perturbations induced by primordial curvature and tensor perturbations}, url = {http://arxiv.org/abs/2211.11948}, year = 2022 }