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Explore a 33-minute lecture from the International Centre for Theoretical Sciences that delves into highly anisotropic gravitational wave backgrounds originating from the early universe. Learn about the groundbreaking research presented as part of the "Hearing beyond the standard model with cosmic sources of Gravitational Waves" program. Discover how gravitational waves from various cosmological phenomena, including inflation, Primordial Black Holes (PBH), Phase Transitions (PT), and topological defects, can provide insights into fundamental physics beyond the Standard Model. Understand the significance of recent discoveries by NANO-Grav, InPTA, and other PTA collaborations regarding the first evidence of Stochastic Gravitational Wave Background (SGWB) detection. Gain knowledge about how these gravitational wave signals may reveal modifications to general relativity and their implications for high-scale physics that cannot be studied through conventional terrestrial or astroparticle physics experiments.
