Search for Axionlike Dark Matter Using Solid-State Nuclear Magnetic Resonance

Aybas, Deniz; Adam, Janos; Blumenthal, Emmy; Gramolin, A. V.; Johnson, Dorian; Kleyheeg, Annalies; Afach, S.; Blanchard, John W.; Centers, Gary P.; Garcon, Antoine; Engler, M.; Figueroa, Nataniel L.; Sendra, M. G.; Wickenbrock, Arne; Lawson, Matthew; Wang, Tao; Wu, Teng; Luo, Haosu; Mani, H. S.; Mauskopf, Philip; Graham, Peter W.; Rajendran, Surjeet; Kimball, Derek F. Jackson; Budker, Dmitry; Sushkov, Alexander O.

doi:10.1103/physrevlett.126.141802

Cited by 77 publications

(69 citation statements)

References 82 publications

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“…Microwave photon detection and cavity design have allowed the haloscope concept to break ground to exclude regions of the QCD axion parameter space and expand the search over a wider frequency range ( 33 – 35 ). In tandem, new methods to detect axions have been conceived of and developed, including magnetic resonance ( 31 , 36 – 39 ), broadband antennas ( 40 ), dielectrics and metamaterials ( 41 , 42 ), and lumped circuit technology ( 43 , 44 ). These new technologies are at various stages of maturity, with some only existing on paper, others being prototyped, and others already making competitive measurements of axion parameter space and excluding theoretical models.…”

Section: Enter the Axionmentioning

confidence: 99%

Axion dark matter: What is it and why now?

2022

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The axion has emerged in recent years as a leading particle candidate to provide the mysterious dark matter in the cosmos, as we review here for a general scientific audience. We describe first the historical roots of the axion in the Standard Model of particle physics and the problem of charge-parity invariance of the strong nuclear force. We then discuss how the axion emerges as a dark matter candidate and how it is produced in the early universe. The symmetry properties of the axion dictate the form of its interactions with ordinary matter. Astrophysical considerations restrict the particle mass and interaction strengths to a limited range, which facilitates the planning of experiments to detect the axion. A companion review discusses the exciting prospect that the axion could be detected in the near term in the laboratory.

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Section: Enter the Axionmentioning

confidence: 99%

Axion dark matter: What is it and why now?

2022

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“…[42]). It should also be noted that there are a number of new experimental searches that employ the axion-gluon and axion-fermion couplings [43][44][45][46][47][48][49][50][51]. For reviews on axion searches see, e.g., Refs.…”

Section: Contentsmentioning

confidence: 99%

Earth as a transducer for axion dark-matter detection

Arza,

Fedderke,

Graham

et al. 2021

Preprint

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“…We also show existing constraints from DM haloscopes , astrophysical photon-axion oscillation [123][124][125][126][127][128], telescope searches for DM ALPs in galaxies [129,130], the horizontal branch (HB) star cooling [131], and the bound on solar axions from CAST [132,133]. In the right panel we show the window in the (ma,f −1 a )-parameter space for all n values [assuming the mass growth enhancement factor (48)], as well as projections for three possible future experiments: CASPEr-electric [134,135] (via the electric dipole moment coupling), CASPEr-wind [136] (via the ALP-nucleon coupling), and DM-Radio [137] (via the photon coupling). We also show the bounds from black hole superradiance [138].…”

Section: Relic Abundance and Outlookmentioning

confidence: 99%

Simulations of axion-like particles in the post-inflationary scenario

O'Hare,

Pierobon,

Redondo

et al. 2021

Preprint

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Axions and axion-like particles (ALPs) are some of the most popular candidates for dark matter, with several viable production scenarios that make different predictions. In the scenario in which the axion is born after inflation, its field develops significant inhomogeneity and evolves in a highly nonlinear fashion. Understanding the eventual abundance and distribution of axionic dark matter in this scenario therefore requires dedicated numerical simulations. So far the community has focused its efforts on simulations of the QCD axion, a model that predicts a specific temperature dependence for the axion mass. Here, we go beyond the QCD axion, and perform a suite of simulations on lattice sizes of 3072 3 , over a range of possible temperature dependencies labelled by a power-law index n ∈ [0, 6]. We study the complex dynamics of the axion field, including the scaling of cosmic strings and domain walls, the spectrum of non-relativistic axions, the lifetime and internal structure of axitons, and the seeds of miniclusters. In particular, we quantify how much the string-wall network contributes to the dark matter abundance as a function of how quickly the axion mass grows. We find that a temperature-independent model produces 25% more dark matter than the standard misalignment calculation. In contrast to this generic ALP, QCD axion models are almost six times less efficient at producing dark matter. Given the flourishing experimental campaign to search for ALPs, these results have potentially wide implications for direct and indirect searches.

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Search for Axionlike Dark Matter Using Solid-State Nuclear Magnetic Resonance

Cited by 77 publications

References 82 publications

Axion dark matter: What is it and why now?

Axion dark matter: What is it and why now?

Earth as a transducer for axion dark-matter detection

Simulations of axion-like particles in the post-inflationary scenario

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