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PERIMETER INSTITUTE RECORDED SEMINAR ARCHIVE

Displaying all lectures given by: Wayne Myrvold


PIRSA:18040116  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Can quantum states be understood as Bayesian states of belief?
Speaker(s): Wayne Myrvold
Abstract: In accordance with Betteridge's Law of Headlines, the answer to the question in the title is "no." I will argue that the usual norms of Bayesian inference lead the conclusion that quantum states are features of physical reality. The argument will involve both existing $psi$-ontology results and exte... read more
Date: 11/04/2018 - 4:00 pm

PIRSA:15110078  ( MP4 Medium Res , MP3 , PDF ) Which Format?
What the Reeh-Schielder theorem tells us about relativistic causality, or, Can experimenters in a lab on Earth create a Taj Mahal on the back of the moon?
Speaker(s): Wayne Myrvold
Abstract: The Reeh-Schlieder theorem says, roughly, that, in any reasonable quantum field theory,  for any bounded region of spacetime R, any state can be approximated arbitrarily closely by operating on the vacuum state (or any state of bounded energy) with operators formed by smearing polynomials i... read more
Date: 03/11/2015 - 3:30 pm

PIRSA:13050081  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Generalizations of Quantum Theory
Abstract:
Date: 30/05/2013 - 3:30 pm

PIRSA:13050063  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Ontology of collapse theories
Speaker(s): Wayne Myrvold
Abstract: The textbook collapse postulate says that, after a measurement, the quantum state of the system on which the measurement was performed , and becomes an eigenstate of the observable measured. Naively, this is what one would expect of dynamical collapse theories.  What one gets, instead, is a... read more
Date: 28/05/2013 - 11:00 am

PIRSA:12110060  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
What is a Wavefunction?
Speaker(s): Wayne Myrvold
Abstract: The fact that the quantum wavefunction of a many-particle system is a function on a high-dimensional configuration space, rather than on spacetime, has led some to suggest that any realist understanding of quantum mechanics must regard configuration space as more fundamental than spacetime. Worse, i... read more
Date: 01/11/2012 - 11:00 am

PIRSA:10050003  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Maxwell and a Third 2nd Law of Thermodynamics
Speaker(s): Wayne Myrvold
Abstract: It has long been recognized that there are two distinct laws that go by the name of the Second Law of Thermodynamics. The original says that there can be no process resulting in a net decrease in the total entropy of all bodies involved. A consequence of the kinetic theory of heat is that this law w... read more
Date: 11/06/2010 - 11:00 am

PIRSA:08090079  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Relativistic Quantum State Evolution: Narratability and Relativity
Speaker(s): Wayne Myrvold
Abstract: In this talk I will discuss a feature of quantum state evolution in a relativistic spacetime, the feature that David Albert has recently dubbed 'non-narratability.' This is: a complete state history given along one foliation does not always, by itself (that is, without specification of the dynamics ... read more
Date: 30/09/2008 - 10:00 am

PIRSA:07090067  ( MP4 Medium Res , MP3 , PDF ) Which Format?
The Everettian Evidential Problem
Speaker(s): Wayne Myrvold
Abstract: Much of the evidence for quantum mechanics is statistical in nature. Close agreement between Born-rule probabilities and observed relative frequencies of results in a series of repeated experiments is taken as evidence that quantum mechanics is getting something --- namely, the probabilities of outc... read more
Date: 23/09/2007 - 2:50 pm

PIRSA:06050002  ( MP4 Medium Res , MP3 , PDF ) Which Format?
From Physics to Information Theory and Back
Speaker(s): Wayne Myrvold
Abstract: Inspired by the notion that the differences between quantum theory and classical physics are best expressed in terms of information theory, Hardy (2001) and Clifton, Bub, and Halvorson (2003) have constructed frameworks general enough to embrace both quantum and classical physics, within which one c... read more
Date: 03/05/2006 - 4:00 pm
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