Null energy condition violation during inflation and pulsar timing array observations

Null energy condition violation during inflation and pulsar timing array observations

Abstract Recently, evidence of stochastic gravitational wave background (SGWB) signals observed by pulsar timing array (PTA) collaborations, has prompted investigations into their origins. We explore the compatibility of a proposed inflationary scenario, incorporating an intermediate null energy con...

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Bibliographic Details
Main Authors: Gen Ye, Mian Zhu, Yong Cai
Format: Article
Language:English
Published: SpringerOpen 2024-02-01
Series:Journal of High Energy Physics
Subjects:
Cosmological models
Classical Theories of Gravity
Online Access:https://doi.org/10.1007/JHEP02(2024)008

Internet

https://doi.org/10.1007/JHEP02(2024)008

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