Multiple peaks in gravitational waves induced from primordial curvature perturbations with non-Gaussianity

التفاصيل البيبلوغرافية
العنوان: Multiple peaks in gravitational waves induced from primordial curvature perturbations with non-Gaussianity
المؤلفون: Zeng, Xiang-Xi, Cai, Rong-Gen, Wang, Shao-Jiang
سنة النشر: 2024
المجموعة: Astrophysics
General Relativity and Quantum Cosmology
مصطلحات موضوعية: Astrophysics - Cosmology and Nongalactic Astrophysics, General Relativity and Quantum Cosmology
الوصف: First-order primordial curvature perturbations are known to induce gravitational waves at the second-order, which can in turn probe the small-scale curvature perturbations near the end of the inflation. In this work, we extend the previous analysis in the Gaussian case into the non-Gaussian case, with particular efforts to obtain some thumb rules of sandwiching the associated peaks in gravitational waves induced from multiple peaks of non-Gaussian curvature perturbations.
Comment: 22 pages, 6 figures
نوع الوثيقة: Working Paper
URL الوصول: http://arxiv.org/abs/2406.05034
رقم الأكسشن: edsarx.2406.05034
قاعدة البيانات: arXiv