[PhilPhys] Q+ Hangout: Renato Renner

[Matthew Leifer]

Q+ hangouts is a series of online seminars about quantum information and 
the foundations of quantum theory that happen on Google+ using the 
hangouts feature.  I post announcements to this list when the talk is 
relevant to quantum foundations.  To watch the talk live, go to 
http://gplus.to/qplus at the appointed hour. Videos of previous talks 
are available via our website http://burgarth.de/qplus

Date/Time: 29th October 2013 2pm GMT
Speaker: Renato Renner (ETH Zurich)
Title: Does freedom of choice imply that the wave function is real?

Abstract:
The question whether the quantum-mechanical wave function is "real" has 
recently attracted considerable interest. More precisely, the question 
is whether the wave function of a system is uniquely determined by any 
complete description of its "physical state". In this talk I will 
present a simple and self-contained proof that this is indeed the case, 
under an assumption that one may term "freedom of choice". It demands 
that arbitrary measurements can be applied to the system, and that these 
can be chosen independently of all parameters available at the time of 
measurement (with respect to any relativistic frame). A possible 
interpretation of this result is that the wave function of a system is 
as ``objective/or ``real/ as any other complete description of the 
system's state.
(This is based on unpublished work in collaboration with Roger Colbeck.)

To watch the talk live go to http://gplus.to/qplus at the appointed hour.

Note that the change from daylight savings time to standard time will 
have happened in the UK, but not some other countries like the US and 
Canada. Therefore, your usual timezone calculation may be out by an 
hour, e.g. the talk is at 10am in East Coast US and Canada. Please check 
the time conversion for your location.

To keep up to date with the latest news on Q+ hangouts, you can follow 
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or visit our website http://qplus.burgarth.de

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