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PERIMETER INSTITUTE RECORDED SEMINAR ARCHIVE

Displaying all lectures given by: Aephraim Steinberg


PIRSA:16090054  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Experimental measurement tradeoffs, from Heisenberg to Aharonov to quantum data compression
Speaker(s): Aephraim Steinberg
Abstract: Tradeoffs in measurement and information are among the central themes of quantum mechanics. I will try to summarize in this talk a few of our experiments related to modern views of these topics. In particular, I will try to give an example or two of the power of "weak measurements," both for funda... read more
Date: 23/09/2016 - 12:00 pm

PIRSA:16060034  ( MP4 Medium Res , MP3 , PDF ) Which Format?
How to count one photon and get a(n average) result of 1000...
Speaker(s): Aephraim Steinberg
Abstract: I will present our recent experimental work using electromagnetically induced transparency in laser-cooled atoms to measure the nonlinear phase shift created by a single post-selected photon, and its enhancement through "weak-value amplification." Put simply, due to the striking effects of "post-sel... read more
Date: 20/06/2016 - 10:00 am

PIRSA:13060000  ( MP4 Medium Res , MP3 , PDF ) Which Format?
In Praise of Weakness
Speaker(s): Aephraim Steinberg
Abstract: While quantum mechanics is an immensely powerful and precise theory which seems to describe everything in the world, its insistence on only predicting what happens when we make "measurements" has left scientists and philosophers alike puzzled - as David Mermin summarized one of Einstein's concerns, ... read more
Date: 05/06/2013 - 7:00 pm

PIRSA:13060001  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Quantum Measurement in the Real World
Speaker(s): Aephraim Steinberg
Abstract: While quantum measurement remains the central philosophical conundrum of quantum mechanics, it has recently grown into a respectable (read: experimental!) discipline as well.  New perspectives on measurement have grown  out of new technological possibilities, but ... read more
Date: 05/06/2013 - 2:00 pm
Series: Colloquium

PIRSA:08090071  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Thinking Inside the Box: Weakly Measuring Postselected Ensembles
Speaker(s): Aephraim Steinberg
Abstract: The presumed irreversibility of quantum measurements (whatever they are) leads, in conventional approaches to quantum theory, to an asymmetry between state preparation and post-selection. Is it possible that a trajectory can be predicted from the former, yet not inferred from the latter? Especially ... read more
Date: 29/09/2008 - 11:45 am
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