Do the laws of nature vary across the universe?

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• John Webb (UNSW)
• Monday 22 May 2017, 13:00-14:00
• CMS, Pav. B, CTC Common Room (B1.19) [Potter Room].

If you have a question about this talk, please contact Tobias Baldauf.

Searching for space-time variations in fundamental constants provides an important test of grand unification theories. Recent quasar measurements hint at a possible spatial dependence of the fine structure constant over cosmological distance scales. I will discuss the current status of this and describe how we aim to make the first 1000 measurements of varying alpha at high redshift. Such a large survey is made possible by the application of Artificial Intelligence methods for automated spectral analysis, that also reduce systematics, and remove any possible human bias in the results.

This talk is part of the Cosmology Lunch series.

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