Beyond Spacetime: The Foundations of Quantum Gravity

doi:10.1017/9781108655705

One of the greatest challenges in fundamental physics is to reconcile quantum mechanics and general relativity in a theory of quantum gravity. A successful theory would have profound consequences for our understanding of space, time, and matter. This collection of essays written by eminent physicists and philosophers discusses these consequences and examines the most important conceptual questions among philosophers and physicists in their search for a quantum theory of gravity. Comprising three parts, the book explores the emergence of classical spacetime, the nature of time, and important questions of the interpretation, metaphysics, and epistemology of quantum gravity. These essays will appeal to both physicists and philosophers of science working on problems in foundational physics, specifically that of quantum gravity.

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Contents

Frontmatter
pp i-iv
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Contents
pp v-vi
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List of Contributors
pp vii-viii
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1 - Introduction
pp 1-22
- By Nick Huggett, Keizo Matsubara, Christian Wüthrich
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Part I - Spacetime Emergence
pp 23-24
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2 - The Bronstein Hypercube of Quantum Gravity
pp 25-52
- By Daniele Oriti
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3 - Emergence of Time in Loop Quantum Gravity
pp 53-78
- By Suddhasattwa Brahma
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4 - Beyond Standard Inflationary Cosmology
pp 79-104
- By Robert H. Brandenberger
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5 - What Black Holes Have Taught Us about Quantum Gravity
pp 105-114
- By Daniel Harlow
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Part II - Time in Quantum Theories of Gravity
pp 115-116
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6 - Space and Time in Loop Quantum Gravity
pp 117-132
- By Carlo Rovelli
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7 - Being and Becoming on the Road to Quantum Gravity; or, the Birth of a Baby Is Not a Baby
pp 133-142
- By Fay Dowker
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8 - Temporal Relationalism
pp 143-175
- By Lee Smolin
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9 - Back to Parmenides
pp 176-206
- By Henrique Gomes
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Part III - Issues of Interpretation
pp 207-208
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10 - Why Black Hole Information Loss Is Paradoxical
pp 209-236
- By David Wallace
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11 - Chronic Incompleteness, Final Theory Claims, and the Lack of Free Parameters in String Theory
pp 237-256
- By Richard Dawid
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12 - Spacetime and Physical Equivalence
pp 257-283
- By Sebastian De Haro
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13 - On the Empirical Consequences of the AdS/CFT Duality
pp 284-303
- By Radin Dardashti, Richard Dawid, Sean Gryb, Karim Thébault
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14 - Extending Lewisian Modal Metaphysics from a Specific Quantum Gravity Perspective
pp 304-337
- By Tiziana Vistarini
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15 - What Can (Mathematical) Categories Tell Us about Spacetime?
pp 338-357
- By Ko Sanders
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Index
pp 358-362
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Beyond Spacetime

The Foundations of Quantum Gravity

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Contents

Frontmatter
pp i-iv

Contents
pp v-vi

List of Contributors
pp vii-viii

1 - Introduction
pp 1-22

Part I - Spacetime Emergence
pp 23-24

2 - The Bronstein Hypercube of Quantum Gravity
pp 25-52

3 - Emergence of Time in Loop Quantum Gravity
pp 53-78

4 - Beyond Standard Inflationary Cosmology
pp 79-104

5 - What Black Holes Have Taught Us about Quantum Gravity
pp 105-114

Part II - Time in Quantum Theories of Gravity
pp 115-116

6 - Space and Time in Loop Quantum Gravity
pp 117-132

7 - Being and Becoming on the Road to Quantum Gravity; or, the Birth of a Baby Is Not a Baby
pp 133-142

8 - Temporal Relationalism
pp 143-175

9 - Back to Parmenides
pp 176-206

Part III - Issues of Interpretation
pp 207-208

10 - Why Black Hole Information Loss Is Paradoxical
pp 209-236

11 - Chronic Incompleteness, Final Theory Claims, and the Lack of Free Parameters in String Theory
pp 237-256

12 - Spacetime and Physical Equivalence
pp 257-283

13 - On the Empirical Consequences of the AdS/CFT Duality
pp 284-303

14 - Extending Lewisian Modal Metaphysics from a Specific Quantum Gravity Perspective
pp 304-337

15 - What Can (Mathematical) Categories Tell Us about Spacetime?
pp 338-357

Index
pp 358-362

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Beyond Spacetime

The Foundations of Quantum Gravity

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