Effective Spacetime: Understanding Emergence in Effective Field Theory and Quantum Gravity

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Springer, Jul 7, 2016 - Science - 205 pages
This book discusses the notion that quantum gravity may represent the "breakdown" of spacetime at extremely high energy scales. If spacetime does not exist at the fundamental level, then it has to be considered "emergent", in other words an effective structure, valid at low energy scales. The author develops a conception of emergence appropriate to effective theories in physics, and shows how it applies (or could apply) in various approaches to quantum gravity, including condensed matter approaches, discrete approaches, and loop quantum gravity.
 

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Contents

Spacetime and Quantum Gravity
1
2 Emergence and Reduction
39
3 Effective Field Theory
59
4 Universality Higher Organising Principles and Emergence
101
5 Spacetime as Described by EFT
129
6 Discrete Approaches to Quantum Gravity
147
7 Loop Quantum Gravity
179
Now Here from Nowhere
202
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About the author (2016)

Karen Crowther works in the Department of Philosophy at the University of Geneva. She holds a PhD from the University of Sydney, a BSc. (Hons.), and a BA. (Hons.) from Monash University.

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