Article ID: CBB686526622

Counterfactuals in the Initial Value Formulation of General Relativity (2021)

unapi

How precisely to understand and evaluate counterfactuals can be an intricate issue. The aim of this article is to examine a new set of difficulties for evaluating counterfactuals that arise in the context of the dynamical spacetimes described by the theory of general relativity (GR). The initial value formulation provides us with a methodology to pin down the specific combination of features of the theory at the origin of the difficulties, namely, non-linearity and certain non-local aspects (typically captured by ellipticity at the analytical level), in particular when combined with the global and/or quasi-local character of physical quantities in GR. Finally, we connect the philosophical question about counterfactuals with concrete applied physical issues in GR about extracting meaningful predictions by constructing appropriate initial data sets, leading us to question the very suitability of the Cauchy approach to fully account for the explanatory power of the theory.

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Authors & Contributors
Rickles, Dean
Thorne, Kip S.
Afriat, Alexander
Ben-Menahem, Yemima
Brown, Harvey R.
Buchwald, Diana Kormos
Journals
Studies in History and Philosophy of Science
Journal for General Philosophy of Science
Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics
American Journal of Physics
Engineering Studies
European Physical Journal H
Publishers
Cambridge University Press
Belknap Press of Harvard University Press
Harvard University Press
Oxford University Press
Princeton University Press
Rutgers University Press
Concepts
Relativity, general
Physics
Philosophy of science
Spacetime
Quantum mechanics
Gravitation
People
Einstein, Albert
Helmholtz, Hermann Ludwig Ferdinand von
Manchak, John Byron
Newton, Isaac
Wheeler, John Archibald
Wüthrich, Christian
Time Periods
20th century
21st century
20th century, early
19th century
20th century, late
Places
United States
Germany
Institutions
Laser Interferometer Gravitational Wave Observatory (LIGO)
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