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Events in Physics
Title: The Origin Of The Universe And The Arrow Of Time    (Colloquia)
Start Date: 09/10/2012
Time: 4:15 pm
Location: 1 LeConte Hall
Speaker: Sean Carroll
Affiliation: Senior Research Associate, Physics and Math, Cal Tech.
Contact Person: Sarah Wittmer   (510) 642-3034
Details:

Over a century ago, Boltzmann and others provided a microscopic understanding for the tendency of entropy to increase.  But this understanding relies ultimately on an empirical fact about cosmology:  the early universe had a very low entropy.  Why was it like that?  Cosmologists aspire to provide a dynamical explanation for the observed state of the universe, but have had very little to say about the dramatic asymmetry between early times and late times.  I will discuss whether the problem of low-entropy initial conditions can be alleviated within the context of a multiverse.