Professor Edward Hardy discusses how the network of cosmic strings that occurs in some theories of the early Universe evolves and emits gravitational waves in this Morning of Theoretical Physics talk from 9th November, 2024. Professor Edward Hardy discusses cosmic strings and gravitational waves from the early Universe.



Cosmic strings are one-dimensional objects that often arise if a symmetry is spontaneously broken, as occurs in the early Universe

in many theories of physics beyond the standard model. I will describe how the resulting network of strings evolves and in the

process emits gravitational waves. These gravitational waves might be detectable in spectacularly precise searches today, and if

discovered could give us information about physics at extremely high energies, far beyond any that could be explored directly

e.g. in particle colliders.

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