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Bell's Spaceships: The Views from Bow and Stern
Geraint F. Lewis, Luke A. Barnes, Martin J. Sticka
Unravelling apparent paradoxes has proven to be a powerful tool for understanding the complexities of special relativity. In this paper, we focus upon one such paradox, namely Bell…
The impact of dark energy on galaxy formation. What does the future of our Universe hold?
Jaime Salcido, Richard G. Bower, Luke A. Barnes +6
We investigate the effect of the accelerated expansion of the Universe due to a cosmological constant, , on the cosmic star formation rate. We utilise hydrodynamical simulations…
Fine-Tuning in the Context of Bayesian Theory Testing
Luke A. Barnes
Fine-tuning in physics and cosmology is often used as evidence that a theory is incomplete. For example, the parameters of the standard model of particle physics are "unnaturally"…
Testing the Multiverse: Bayes, Fine-Tuning and Typicality
Luke A. Barnes
Theory testing in the physical sciences has been revolutionized in recent decades by Bayesian approaches to probability theory. Here, I will consider Bayesian approaches to theory…
Producing the Deuteron in Stars: Anthropic Limits on Fundamental Constants
Luke A. Barnes, Geraint F. Lewis
Stellar nucleosynthesis proceeds via the deuteron (D), but only a small change in the fundamental constants of nature is required to unbind it. Here, we investigate the effect of a…