Deriving General Relativity from String Theory

Philosophy of Science 82 (5):1163-1174 (2015)
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Weyl symmetry of the classical bosonic string Lagrangian is broken by quantization, with profound consequences described here. Reimposing symmetry requires that the background space-time satisfy the equations of general relativity: general relativity, hence classical space-time as we know it, arises from string theory. We investigate the logical role of Weyl symmetry in this explanation of general relativity: it is not an independent physical postulate but required in quantum string theory, so from a certain point of view it plays only a formal role in the explanation



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Author Profiles

Tiziana Vistarini
Università degli Studi di Chieti
Nick Huggett
University of Illinois, Chicago

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References found in this work

Emergent Spacetime and Empirical (in) Coherence.Nick Huggett & Christian Wüthrich - 2013 - Studies in History and Philosophy of Modern Physics 44 (3):276-285.
Gauge Theory, Anomalies and Global Geometry: The Interplay of Physics and Mathematics.Dana Fine & Arthur Fine - 1997 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 28 (3):307-323.
String Theory in a Nutshell.Elias Kiritsis - 2007 - Princeton University Press.

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