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gr-qc2023★ 2 cited
A Realist Interpretation of Unitarity in Quantum Gravity
Indrajit Sen, Stephon Alexander, Justin Dressel
Unitarity is a difficult concept to implement in canonical quantum gravity because of state non-normalizability and the problem of time. We take a realist approach based on pilot-w…
astro-ph.CO2023★ 1 cited
What can galaxy shapes tell us about physics beyond the standard model?
Oliver H. E. Philcox, Morgane J. König, Stephon Alexander +1
The shapes of galaxies trace scalar physics in the late-Universe through the large-scale gravitational potential. Are they also sensitive to higher-spin physics? We present a gener…