The Aim and Structure of Cluster Decomposition - Porter Williams
Porter Williams (University of Pittsburgh)

September 24, 2024, 12:00pm - 1:30pm
The Center for Philosophy of Science, University of Pittsburgh

1117 Cathedral of Learning - 11th Floor
University of Pittsburgh, 4200 Fifth Avenue
Pittsburgh 15260
United States

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University of Pittsburgh

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The Center for Philosophy of Science at the University of Pittsburgh invites you to join us for our Lunch Time Talk. Attend in person at 1117 Cathedral of Learning or visit our live stream on YouTube at https://www.youtube.com/channel/UCrRp47ZMXD7NXO3a9Gyh2sg.

LTT: Porter Williams

September 24 @ 12:00 pm - 1:30 pm EDT

Title: The Aim and Structure of Cluster Decomposition

Abstract:

The architecture of quantum field theory includes a handful of load-bearing locality or causality conditions. One of the most important is the cluster decomposition property: roughly speaking, a property intended to capture the fact that the outcome of experiments at Fermilab is independent of whatever might be happening in the accelerator tunnel at SLAC. Steven Weinberg went so far as to call it a foundational requirement of all experimental science. However, the statistical independence required by cluster decomposition is in tension with the long-range correlations characteristic of entangled states. Nevertheless, something very much like Weinberg’s transcendental-ish claim is probably correct but appreciating that requires disentangling the role of the cluster decomposition property from its standard mathematical presentation and elucidating a delicate relationship between the cluster decomposition property and the ubiquity of entanglement in quantum field theory.

Can’t make it in-person? This talk will available online through the following:

Zoom:  https://pitt.zoom.us/s/91855041780

YouTube at https://www.youtube.com/channel/UCrRp47ZMXD7NXO3a9Gyh2sg.

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