Note on the absence of the second clock effect in Weyl gauge theories of gravity

Kavli Affiliate: Anthony Lasenby

| First 5 Authors: Michael Hobson, Anthony Lasenby, , ,

| Summary:

We reconsider the status of the so-called second clock effect in Weyl gauge
theories of gravity, which are invariant both under local Poincar’e
transformations and local changes of scale. In particular, we revisit and
extend our previous demonstration that the second clock effect does not occur
in such theories, in order both to clarify our argument and confirm our
original findings in response to recent counterclaims in the literature.

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