NANOGrav signal and LIGO-Virgo primordial black holes from the Higgs field. Issue 5 (1st May 2022)

• Record Type: Journal Article
• Authors: Yi, Zhu; Zhu, Zong-Hong
• Is Part Of: Journal of cosmology and astroparticle physics. Volume 2022:Issue 5(2022)
• Publication Date: 2022-05-01
• Subjects: inflation -- gravitational waves / theory -- primordial black holes; Cosmology -- Periodicals; Astrophysics -- Periodicals; 523.0105
• DOI: 10.1088/1475-7516/2022/05/046
• Languages: English
• ISSNs: 1475-7516

Abstract

Abstract: We show that the NANOGrav signal can come from the Higgs field with a noncanonical kinetic term in terms of the scalar induced gravitational waves. The scalar induced gravitational waves generated in our model are also detectable by space-based gravitational wave observatories. Primordial black holes with stellar masses that can explain LIGO-Virgo events are also produced. Therefore, the NANOGrav signal and the BHs in LIGO-Virgo events may both originate from the Higgs field.