Operation of a Ferromagnetic Axion Haloscope
Sign Up to like & getrecommendations! Published in 2020 at "European Physical Journal C"
DOI: 10.1007/978-3-030-43761-9_12
Abstract: The QUAX proposal studies the interaction of dark matter axions with electrons. As the effect of axions can be described as an effective magnetic field, the signal is a magnetization oscillation of a sample. To… read more here.
Keywords: ferromagnetic axion; axion; operation ferromagnetic; axion haloscope ... See more keywords
Experimental targets for photon couplings of the QCD axion
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep02(2018)006
Abstract: A bstractThe QCD axion’s coupling to photons is often assumed to lie in a narrow band as a function of the axion mass. We demonstrate that several simple mechanisms, in addition to the photophilic clockwork… read more here.
Keywords: experimental targets; photon couplings; targets photon; axion ... See more keywords
Evidence for inflation in an axion landscape
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DOI: 10.1007/jhep03(2018)121
Abstract: A bstractWe discuss inflation models within supersymmetry and supergravity frameworks with a landscape of chiral superfields and one U(1) shift symmetry which is broken by non-perturbative symmetry breaking terms in the superpotential. We label the… read more here.
Keywords: curvature perturbations; axion; axion landscape; parameter space ... See more keywords
Axion fragmentation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of High Energy Physics"
DOI: 10.1007/jhep04(2020)010
Abstract: We investigate the production of axion quanta during the early universe evolution of an axion-like field rolling down a wiggly potential. We compute the growth of quantum fluctuations and their back-reaction on the homogeneous zero-mode.… read more here.
Keywords: zero mode; axion fragmentation; axion;
Probing axions with neutron star inspirals and other stellar processes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep06(2018)036
Abstract: A bstractIn certain models of a QCD axion, finite density corrections to the axion potential can result in the axion being sourced by large dense objects. There are a variety of ways to test this… read more here.
Keywords: inspirals stellar; axions neutron; probing axions; axion ... See more keywords
A viable QCD axion in the MeV mass range
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DOI: 10.1007/jhep07(2018)092
Abstract: A bstractThe QCD axion is one of the most compelling solutions of the strong CP problem. There are major current efforts into searching for an ultralight, invisible axion, which is believed to be the only… read more here.
Keywords: mev mass; strong problem; qcd axion; axion ... See more keywords
The photophobic ALP
Sign Up to like & getrecommendations! Published in 2018 at "Journal of High Energy Physics"
DOI: 10.1007/jhep09(2018)028
Abstract: A bstractWe explore models and phenomenology of a photophobic axion-like particle (ALP), an axion whose coupling to photons is maximally suppressed without fine-tuning of the underlying parameters. We demonstrate that photophobia can be a natural… read more here.
Keywords: photophobic alp; photophobic alps; axion; photophobic ... See more keywords
Axiogenesis from SU(2)R phase transition
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DOI: 10.1007/jhep10(2021)022
Abstract: Abstract The baryon asymmetry of the universe may be explained by rotations of the QCD axion in field space and baryon number violating processes. We consider the minimal extension of the Standard Model by a… read more here.
Keywords: axiogenesis phase; phase transition; axion; gauge ... See more keywords
Flavor-violating Higgs decays and stellar cooling anomalies in axion models
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DOI: 10.1007/jhep10(2021)181
Abstract: Abstract We study a class of DFSZ-like models for the QCD axion that can address observed anomalies in stellar cooling. Stringent constraints from SN1987A and neutron stars are avoided by suppressed couplings to nucleons, while… read more here.
Keywords: decays stellar; stellar cooling; higgs decays; flavor violating ... See more keywords
The QCD axion and unification
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DOI: 10.1007/jhep11(2019)093
Abstract: Abstract The QCD axion is one of the most appealing candidates for the dark matter in the Universe. In this article, we discuss the possibility to predict the axion mass in the context of a… read more here.
Keywords: qcd axion; axion unification; axion; mass ... See more keywords
Axion electrodynamics in topological materials
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DOI: 10.1063/5.0038804
Abstract: One of the intriguing properties characteristic to three-dimensional topological materials is the topological magnetoelectric phenomena arising from a topological term called the $\theta$ term. Such magnetoelectric phenomena are often termed the axion electrodynamics, since the… read more here.
Keywords: three dimensional; axion electrodynamics; topological materials; term ... See more keywords