English
Related papers

Related papers: Measuring axion gradients with photon interferomet…

200 papers

The axion is a hypothetical boson arising from the most natural solution to the problem of charge and parity symmetry in the strong nuclear force. Moreover, this pseudoscalar emerges as a dark matter candidate in a parameter space extending…

Ultralight axion or axionlike particles are one of the most promising candidates for dark matter because they are a well-motivated solution for the theoretical strong $CP$ problem and observational issues on small scales, i.e. the core-cusp…

Cosmology and Nongalactic Astrophysics · Physics 2025-01-09 Ran Gao , Zhengxiang Li , Kai Liao , He Gao , Bing Zhang , Zong-Hong Zhu

We present the first measurement of the cross-correlation between anisotropic birefringence and galaxy number counts, utilizing polarization data from Planck NPIPE and the Quaia quasar catalog. By employing a QML/pseudo-$C_\ell$ combined…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-29 S. Arcari , N. Bartolo , G. Fabbian , A. Greco , A. Gruppuso , M. Lattanzi , P. Natoli , L. Pagano , G. Zagatti

Cosmic Microwave Background (CMB) photons can undergo resonant conversion into axions in the presence of magnetized plasma distributed inside non-linear large-scale structure (LSS). This process leads to axion-induced patchy screening:…

High Energy Physics - Phenomenology · Physics 2024-11-12 Cristina Mondino , Dalila Pîrvu , Junwu Huang , Matthew C. Johnson

We study the axion-photon conversion process in pulsar binary systems with high Shapiro time delay. In these binary systems, the orbital plane is nearly parallel to the line of sight. When the companion star is positioned between the pulsar…

High Energy Astrophysical Phenomena · Physics 2026-05-29 Zhao-Yang Wang , Hao-Chen Tian , Yun-Feng Liang

Axions or axion-like particles (ALPs) are one of the promising dark matter (DM) candidates. A prevalent method to detect axion-like DM is to seek periodic oscillation in the polarization angles (PAs) of linearly polarized light emitted from…

High Energy Astrophysical Phenomena · Physics 2025-04-03 Bao Wang , Xuan Yang , Jun-Jie Wei , Song-Bo Zhang , Xue-Feng Wu

Current axion detection limits neglect the relevance of the relative velocity between the axion field and the detectors. However, this aspect can lead to a daily modulation of the detected axion signal. In this work, we calculate the…

Very light pseudoscalar fields, often referred to as axions, are compelling dark matter candidates and can potentially be detected through their coupling to the electromagnetic field. Recently a novel detection technique using the cosmic…

In this work, we propose polarimetry experiments to search for low-mass (sub-eV) bosonic field dark matter, including axions and axion-like particles. We show that a polarimetry configuration consisting of a thick birefringent solid inside…

High Energy Physics - Phenomenology · Physics 2023-05-03 Aldo Ejlli , Sander M. Vermeulen , Eyal Schwartz , Lorenzo Aiello , Hartmut Grote

We explore the axionic dark matter search sensitivity with a narrow-band detection scheme aiming at the axion-photon conversion by the static electric field inside a cylindrical capacitor. An alternating magnetic field signal is induced by…

High Energy Physics - Phenomenology · Physics 2022-05-13 Yu Gao , Yongsheng Huang , Zhengwei Li , Manqi Ruan , Peng Sha , Meiyu Si , Qiaoli Yang

The light pseudoscalar particle, dubbed the axion, borne out of the Peccei-Quinn solution to the strong CP problem in QCD remains elusive. One avenue of inferring its existence is through its coupling to electromagnetic radiation. So far,…

High Energy Astrophysical Phenomena · Physics 2015-05-28 Ramandeep Gill , Jeremy S. Heyl

X-ray telescopes are an exceptional tool for searching for new fundamental physics. In particular, X-ray observations have already placed world-leading bounds on the interaction between photons and axion-like particles (ALPs). ALPs are…

High Energy Physics - Phenomenology · Physics 2018-04-11 Francesca Day , Sven Krippendorf

Axions are hypothetical particles that could address both the strong charge-parity problem in quantum chromodynamics and the enigmatic nature of dark matter. However, if axions exist, their mass remains unknown, and they are expected to…

High Energy Physics - Phenomenology · Physics 2025-11-18 Evangelos Almpanis

Conventional axion dark matter search experiments employ cylindrical microwave cavities immersed in a solenoidal magnetic field. Exploring higher frequency regions requires smaller size cavities as the TM010 resonant frequencies scale…

Instrumentation and Methods for Astrophysics · Physics 2017-11-29 Junu Jeong , SungWoo Youn , Saebyeok Ahn , Chanshin Kang , Yannis K. Semertzids

The axion is a hypothetical elementary particle and cold dark matter candidate. In this RF cavity experiment, halo axions entering a resonant cavity immersed in a static magnetic field convert into microwave photons, with the resulting…

X-ray grating interferometry allows for the simultaneous acquisition of attenuation, differential-phase contrast, and dark-field images, resulting from X-ray attenuation, refraction, and small-angle scattering, respectively. The modulated…

The QCD axion, originally proposed to solve the strong CP problem in QCD, is a prominent candidate for dark matter (DM). In the presence of strong magnetic fields, such as those around neutron stars, axions can theoretically convert into…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-19 Luca Visinelli , Bradley Johnson , Bradley J. Kavanagh , David J. E. Marsh , Jordan E. Shroyer , Liam Walters

Cosmic birefringence is the in-vacuo rotation of the linear polarization plane experienced by photons of the Cosmic Microwave Background (CMB) radiation when theoretically well-motivated parity-violating extensions of Maxwell…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-24 Alessandro Greco , Nicola Bartolo , Alessandro Gruppuso

Axion dark matter can be converted into photons in the magnetospheres of neutron stars leading to a spectral line centred on the Compton wavelength of the axion. Due to the rotation of the star and the plasma effects in the magnetosphere…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-29 R. A. Battye , M. J. Keith , J. I. McDonald , S. Srinivasan , B. W. Stappers , P. Weltevrede
‹ Prev 1 3 4 5 6 7 10 Next ›