Big axions are axion models from collective spontaneous breaking of a delocalized network of U(1) symmetries that realize high-quality accidental global symmetries, solve the strong CP problem, and may explain dark matter.
A Clockwork Axion
2 Pith papers cite this work. Polarity classification is still indexing.
2
Pith papers citing it
abstract
We present a renormalizable theory of scalars in which the low energy effective theory contains a pseudo-Goldstone Boson with a compact field space of 2{\pi} F and an approximate discrete shift symmetry Z_Q with Q>>1, yet the number of fields in the theory goes as log(Q). Such a model can serve as a UV completion to models of relaxions and is a new source of exponential scale separation in field theory. While the model is local in `theory space', it appears to not have a continuum generalization (i.e., it cannot be a deconstructed extra dimension). Our framework shows that super-Planckian field excursions can be mimicked while sticking to renormalizable four-dimensional quantum field theory. We show that a supersymmetric extension is straightforwardly obtained and we illustrate possible UV completions based on a compact extra-dimension, where all global symmetries arise accidentally as a consequence of gauge invariance and 5D locality.
fields
hep-ph 2verdicts
UNVERDICTED 2representative citing papers
Scalar fields in scalar-tensor gravity produce EM radiation through φFμνFμν coupling with resonance amplification that differs from ALP φFμν~Fμν signals, enabling potential distinction and modified gravity tests.
citing papers explorer
-
Big Axions
Big axions are axion models from collective spontaneous breaking of a delocalized network of U(1) symmetries that realize high-quality accidental global symmetries, solve the strong CP problem, and may explain dark matter.
-
Scalar-Induced Electromagnetic Radiation: Comparison with Axion-Like Particles and Implications for Modified Gravity
Scalar fields in scalar-tensor gravity produce EM radiation through φFμνFμν coupling with resonance amplification that differs from ALP φFμν~Fμν signals, enabling potential distinction and modified gravity tests.