Format results
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Relative States and the Environment
Wojciech Zurek - Los Alamos National Laboratory
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Probability in the Everett interpretation: state of play
David Wallace - University of Southern California
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Probability in the Everett Interpretation of Quantum Mechanics
David Albert - Columbia University
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Subjective Probability and Many Worlds
Ruediger Schack - University of London
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Which many world worries are uniquely quantum?
Max Tegmark - Massachusetts Institute of Technology (MIT) - Department of Physics
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Quasiclassical Realms and Copenhagen Quantum Theory in a Quantum Universe
James Hartle - University of California, Santa Barbara
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Probabilities and Choices in Many Worlds
David Papineau - King's College London
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The Everett interpretation
Simon Saunders - University of Oxford
I shall present an overview of quantum mechanics in the Everett interpretation, that emphasises its structural characteristics, as a theory of what exists. In this respect it shares common ground with other fundamental theories in physics. As such its appeal is conservative; it makes do with the… -
Relative States and the Environment
Wojciech Zurek - Los Alamos National Laboratory
Everett explained collapse of the wavepacket by noting that observer will perceive the state of the measured quantum system relative to the state of his own records. Two elements (missing in this simple and compelling explanation of effective collapse) are required to complete relative state… -
Probability in the Everett interpretation: state of play
David Wallace - University of Southern California
I will review the current state of the probability problem. My main focus will be on the attempts by David Deutsch and myself to provide a proof of the Born Rule starting from Everettian assumptions, but I will also attempt to locate these attempts within the more general framework of the… -
Probability in the Everett Interpretation of Quantum Mechanics
David Albert - Columbia University
I will rehearse and try to sharpen some of the perennial worries about making sense of probabilities in Everettian interpretations of quantum mechanics, with particular attention to the recent Decision-Theoretic proposals of Deutsch and others -
Subjective Probability and Many Worlds
Ruediger Schack - University of London
Probability is often regarded as a problem for the many-worlds interpretation: if all branches of the splitting wavefunction are equally real, what sense does it make to say that the branches have different probabilities? In the decision-theoretic approach due to Deutsch and Wallace, probabilities… -
Which many world worries are uniquely quantum?
Max Tegmark - Massachusetts Institute of Technology (MIT) - Department of Physics
I analyze a series of common objections to Everett\'s Many Worlds Interpretation. I discuss which ones are unique to quantum mechanics, and which have nothing to do with quantum mechanics per se as they can also be debated in the context of other areas of physics -
Quasiclassical Realms and Copenhagen Quantum Theory in a Quantum Universe
James Hartle - University of California, Santa Barbara
One of the most remarkable features of our quantum universe is the wide range of time, place, scale, and epoch on which the deterministic laws of classical physics apply to an excellent approximation. This talk reviews the origin of such a quasiclassical realm in a universe governed fundamentally by… -
Everett and Evolution
Adrian Kent - University of Cambridge
A fundamental question for Everettians is whether they can formulate a many-worlds interpretation of quantum theory which explains why, amongst all possible types of intelligent creature with all possible types of evolutionary and experimental history, we find ourselves among those whose histories… -
Everett Speaks
In \'Everett Speaks\' I will detail Everett\'s involvement in operations research during the Cold War. He was, for many years, a major architect of the United States\' nuclear war plan. I will talk about his family life and his personal decline. We will hear a portion of the only tape recording of… -
Probabilities and Choices in Many Worlds
David Papineau - King's College London
Orthodox thinking about chance, choice and confirmation is a philosophical mess. Within the many-worlds metaphysics, where quantum chanciness engenders no uncertainty, these things come out at least as well, if not better. -
Decisions, Decisions, Decisions: Thoughts about actions in an Everett World
The most common objection to the Everett view of QM is that it \'cannot make sense of probability\'. The \'Oxford project\' of writers such as Deutsch, Wallace, Saunders and Greaves seeks to meet this objection by showing that the Everett view allows some suitable analogue of decision under… -
The Everettian Evidential Problem
Wayne Myrvold - Western University
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…