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Learn about the fundamental principles behind gravitational wave detection in this comprehensive lecture from the "Hearing beyond the standard model with cosmic sources of Gravitational Waves" program. Explore how observatories detect gravitational waves from various cosmic phenomena, including merging black holes and neutron stars. Delve into the detection mechanisms for different types of gravitational waves, from those produced during inflation and primordial black hole formation to signals generated by cosmological phase transitions and topological defects. Understand the significance of Stochastic Gravitational Wave Background (SGWB) signals and their role in probing physics beyond the Standard Model. Examine recent developments from collaborations like NANO-Grav and InPTA, who have announced the first evidence of SGWB detection based on 15 years of observational data. Gain insights into how gravitational wave detection contributes to our understanding of fundamental physics and potential modifications to general relativity.
