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Quantum Institute : 2017 Quantum Lunch Seminar Schedule


Quantum Initiative: Quantum Lunch

The Quantum Lunch is regularly held on Thursdays in the Theoretical Division Conference Room, TA-3, Building 123, Room 121.

The organizing committee includes Malcolm Boshier (P-21), Lukasz Cincio (T-4), Diego Dalvit (T-4), Changhyun Ryu (P-21) , Nikolai Sinitsyn (T-4), Rolando Somma (T-4), Yigit Subasi (T-4), Christopher Ticknor (T-1), and Wojciech Zurek (T-4).

For more information, or to nominate a speaker, contact Yigit Subasi or Lukasz Cincio.

To add your name to the Quantum Lunch email list, contact Kacy Hopwood.

Wednesday July 5, 2017
3:00 PM - 4:30 PM

Speaker: Andreas Albrecht (UC Davis)

Technical Host: Lukasz Cincio

TOPIC: Origin of probabilities and their application to the multiverse

I argue using simple models that all successful practical uses of probabilities originate in quantum fluctuations in the microscopic physical world around us, often propagated to macroscopic scales. Thus I claim there is no physically verified fully classical theory of probability. I comment on the general implications of this view, and specifically question the application of classical probability theory to cosmology in cases where key questions are known to have no quantum answer. Overall, this approach offers a certain disciplined perspective on probabilities in physical theories which may yield progress on measure problems traditionally associated with eternal inflation. It is also relevant to various attempts to derive the Born rule.

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