【摘 要】
：
Chaotic inflation is inconsistent with the observational constraint at 68％CL.Here,we show that the enhancement mechanism with a peak function in the noncanonical kinetic term not only helps the chaotic model V(φ)=V0φ1/3 satisfy the observational constrain
【机 构】
：
School of Physical Science and Technology,Southwest University,Chongqing 400715,China
【出 处】
：
中国科学：物理学 力学 天文学（英文版）
论文部分内容阅读
Chaotic inflation is inconsistent with the observational constraint at 68％CL.Here,we show that the enhancement mechanism with a peak function in the noncanonical kinetic term not only helps the chaotic model V(φ)=V0φ1/3 satisfy the observational constraint at large scales but also enhances the primordial scalar power spectrum by seven orders of magnitude at small scales.The enhanced curvature perturbations can produce primordial black holes of different masses and secondary gravitational waves with different peak frequencies.We also show that the non-Gaussianities of curvature perturbations have little effect on the abundance of primordial black holes and energy density of the scalar-induced secondary gravitational waves.
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