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PERIMETER INSTITUTE RECORDED SEMINAR ARCHIVE

PIRSA:C11029 - Emergence and Effective Field Theories Conference - 2011PODCAST Subscribe to podcast

Emergence and Effective Field Theories Conference

Organizer(s):

Collection URL: http://pirsa.org/C11029


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PIRSA:11100099  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Is the renormalization Group Really that Ugly?
Speaker(s): Leo Kadanoff
Abstract: In 1665, the clockmaker Christiaan Huygens noticed that two pendulum clocks hanging on a wall tend to synchronize the motion of their pendulums. A similar scenario occurs with two metronomes placed on a piano: they interact through vibrations in the wood and will eventually coordinate their motion. ... read more
Date: 26/10/2011 - 9:00 am

PIRSA:11100059  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
The Tyranny of Scales
Speaker(s): Bob Batterman
Abstract: How can one model the behavior of materials that display radically different, dominant behaviors at different length scales. Although we have good models for material behaviors at small and large scales, it is often hard to relate these scale-based models to one another. Macroscale (effective) model... read more
Date: 26/10/2011 - 9:30 am

PIRSA:10100097  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Emergence as Novel Explanation: Statistical Mechanics vs. Quantum Field Theory
Speaker(s): Doreen Fraser
Abstract: In the philosophical literature, effective field theories have been regarded as emergent in the sense of furnishing novel explanations. In particular, Batterman has argued that effective field theories in statistical mechanics are emergent in this sense. I will argue that effective field theories in... read more
Date: 26/10/2011 - 11:00 am

PIRSA:11100054  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Concepts of Emergence Appropriate for Effective Field Theories
Speaker(s): Jon Bain
Abstract: This talk considers the extent to which the intertheoretic relation between an EFT and its (possibly hypothetical) high-energy theory supports a notion of emergence. When a high-energy theory exists, this relation is based on a process that involves the elimination of high-energy degrees of freedom.... read more
Date: 26/10/2011 - 11:30 am

PIRSA:11100055  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Emergence and Minimal Models in Condensed Matter Physics and Biology
Speaker(s): Nigel Goldenfeld
Abstract: Our ability to understand the physical world has to a large extent depended on the existence of emergent properties, and the separation of scales that permits effective field theory descriptions to be useful. Exploiting this fact, we can construct minimal models that enable efficient calculation of ... read more
Date: 26/10/2011 - 4:00 pm

PIRSA:11100058  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Arguments for the Emergence of Spacetime Topology
Speaker(s): Gordon Belot
Abstract: It is widely held that string theory shows that spacetime geometry and topology are emergent rather than fundamental. Often it is said that this follows from the various interesting dualities that exist within string theory. I will discuss the argument from duality, contrasting it with older argumen... read more
Date: 27/10/2011 - 9:30 am

PIRSA:11100114  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Emergence/analogy and Hawking Radiation
Speaker(s): Bill Unruh
Abstract: The concepts of emergence and analogy are very closely related -- A is like B vs A is B. I will discuss this in the context of the emergence of/analogy with Hwking radiation in the arena of fluid systems, and the possibility of doing experiments in the lab. Does this mean gravity is emergent from so... read more
Date: 27/10/2011 - 10:00 am

PIRSA:11100063  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Quantum Gravity Laboratory
Speaker(s): Silke Weinfurtner
Abstract: At the level of effective field theory it is possible to establish analogies between non-gravitational and gravitational systems. For example, first order perturbation equations in an analogue gravity model can be written as a wave equation in a curved spacetime. Perhaps the most intriguing applicat... read more
Date: 27/10/2011 - 11:00 am

PIRSA:11100100  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Take it to the Thermodynamic Limit
Speaker(s): Laura Ruetsche
Abstract: Prominent philosophers of physics, including Craig Callender and John Earman, have issued stern warnings against drawing any foundations of physics conclusions from theories obtained by taking the thermodynamic limit. Without dismissing these worries entirely, I argue that we shouldn't take them too... read more
Date: 27/10/2011 - 2:00 pm

PIRSA:11100101  ( MP4 Medium Res , MP4 Low Res , MP3 , PDF ) Which Format?
Emergence and Effective Field Theories in Gravitational Physics
Speaker(s): Andrew Wayne
Abstract: This paper has two aims. The first is to improve upon the diverse and often muddled philosophical characterizations of emergence by articulating reasonably precise necessary and sufficient conditions for a phenomenon to count as emergent in physics. Central to this account of emergence is the idea t... read more
Date: 27/10/2011 - 2:30 pm

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