Repository URL:
http://philsci-archive.pitt.edu/id/eprint/4938
Author(s):
Knox, Eleanor
preprint description
I look at the ‘flavour-oscillation clocks’ proposed by D.V. Ahluwalia, and two arguments of his suggesting that such clocks might behave in a way that threatens the geometricity of general relativity (GR). The first argument states that the behaviour of these clocks in the vicinity of a rotating gravitational source implies a non-geometric element of gravity. I argue that the phenomenon is best seen as an instance of violation of the ‘clock hypothesis’, and therefore does not threaten the geometrical nature of gravitation. Ahluwalia’s second argument, for the ‘incompleteness’ of general relativity, involves the idea that flavour-oscillation clocks can detect constant gravitational potentials. I argue that the purported ‘incompleteness-establishing’ result is in fact one that applies to all clocks. It is entirely derivable from GR, does not result in the observability of the potential, and is not at odds with any of GR’s foundations.

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