Detecting Domain Walls of Axionlike Models Using Terrestrial Experiments

Pospelov, Maxim; Pustelny, Szymon; Ledbetter, Michael T.; Kimball, Derek F. Jackson; Gawlik, Wojciech; Budker, Dmitry

doi:10.1103/physrevlett.110.021803

Cited by 163 publications

(238 citation statements)

References 29 publications

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“…The biggest advantage of such astrophysical observations over the proposed terrestrial detection methods of Refs. [9,10] is the much higher probability of a defect been found in the vast volumes of outer space compared with one passing through Earth itself. Pulsars are highly magnetised, rotating neutron stars with periods ranging from T = 1.5 ms − 8.5 s [11].…”

mentioning

confidence: 99%

Searching for Topological Defect Dark Matter via Nongravitational Signatures

Stadnik

Flambaum

2014

Phys. Rev. Lett.

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We propose schemes for the detection of topological defect dark matter using pulsars and other luminous extraterrestrial systems via non-gravitational signatures. The dark matter field, which makes up a defect, may interact with standard model particles, including quarks and the photon, resulting in the alteration of their masses. When a topological defect passes through a pulsar, its mass, radius and internal structure may be altered, resulting in a pulsar 'quake'. A topological defect may also function as a cosmic dielectric material with a distinctive frequency-dependent index of refraction, which would give rise to the time delay of a periodic extraterrestrial light or radio signal, and the dispersion of a light or radio source in a manner distinct to a gravitational lens. A topological defect passing through Earth may give rise to temporary non-zero electric dipole moments for an electron, proton, neutron, nuclei and atoms.

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confidence: 99%

Searching for Topological Defect Dark Matter via Nongravitational Signatures

Stadnik

Flambaum

2014

Phys. Rev. Lett.

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“…The energy density in these oscillations can be dark matter [15,16]. Other types of light bosons, often called axionlike particles (ALPs), have attracted significant attention [17][18][19][20][21][22][23][24][25][26][27][28][29][30]. These receive a potential (and a mass) from non-QCD sources and are less constrained than the QCD axion.…”

Section: Introductionmentioning

confidence: 99%

Proposal for a Cosmic Axion Spin Precession Experiment (CASPEr)

et al. 2014

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We propose an experiment to search for QCD axion and axionlike-particle dark matter. Nuclei that are interacting with the background axion dark matter acquire time-varying CP-odd nuclear moments such as an electric dipole moment. In analogy with nuclear magnetic resonance, these moments cause precession of nuclear spins in a material sample in the presence of an electric field. Precision magnetometry can be used to search for such precession. An initial phase of this experiment could cover many orders of magnitude in axionlike-particle parameter space beyond the current astrophysical and laboratory limits. And with established techniques, the proposed experimental scheme has sensitivity to QCD axion masses m a ≲ 10 −9 eV, corresponding to theoretically well-motivated axion decay constants f a ≳ 10 16 GeV. With further improvements, this experiment could ultimately cover the entire range of masses m a ≲ μ eV, complementary to cavity searches.

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“…Axions are among the most well motivated of the viable dark-matter candidates, with many theories of beyond the standard model physics including mechanisms that can produce ubiquitous axions and other ultralight bosons with the correct abundance to match the observed dark-matter density [2][3][4][5][6][7][8][9][10][11][12]. The large parameter space where ultralight bosons are good dark-matter candidates has inspired new interest in experimental searches for axion and axionlike searches [13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] as well as other types of ultralight bosonic dark matter , with many experiments in progress.…”

Section: Introductionmentioning

confidence: 99%

Spin precession experiments for light axionic dark matter

et al. 2018

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Axionlike particles are promising candidates to make up the dark matter of the Universe, but it is challenging to design experiments that can detect them over their entire allowed mass range. Dark matter in general, and, in particular, axionlike particles and hidden photons, can be as light as roughly 10 −22 eV (∼10 −8 Hz), with astrophysical anomalies providing motivation for the lightest masses ("fuzzy dark matter"). We propose experimental techniques for direct detection of axionlike dark matter in the mass range from roughly 10 −13 eV (∼10 2 Hz) down to the lowest possible masses. In this range, these axionlike particles act as a time-oscillating magnetic field coupling only to spin, inducing effects such as a timeoscillating torque and periodic variations in the spin-precession frequency with the frequency and direction of these effects set by the axion field. We describe how these signals can be measured using existing experimental technology, including torsion pendulums, atomic magnetometers, and atom interferometry. These experiments demonstrate a strong discovery capability, with future iterations of these experiments capable of pushing several orders of magnitude past current astrophysical bounds.

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Detecting Domain Walls of Axionlike Models Using Terrestrial Experiments

Cited by 163 publications

References 29 publications

Searching for Topological Defect Dark Matter via Nongravitational Signatures

Searching for Topological Defect Dark Matter via Nongravitational Signatures

Proposal for a Cosmic Axion Spin Precession Experiment (CASPEr)

Spin precession experiments for light axionic dark matter

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