Axion-like particles implications for high-energy astrophysics
G Galanti, M Roncadelli - Universe, 2022 - mdpi.com
We offer a pedagogical introduction to axion-like particles (ALPs) as far as their relevance
for high-energy astrophysics is concerned, from a few MeV to 1000 TeV. This review is self …
for high-energy astrophysics is concerned, from a few MeV to 1000 TeV. This review is self …
Upper limit on the axion-photon coupling from magnetic white dwarf polarization
C Dessert, D Dunsky, BR Safdi - Physical Review D, 2022 - APS
Polarization measurements of thermal radiation from magnetic white dwarf (MWD) stars
have been proposed as a probe of axion-photon mixing. The radiation leaving the surface of …
have been proposed as a probe of axion-photon mixing. The radiation leaving the surface of …
Alignment of quasar polarizations with large-scale structures
D Hutsemekers, L Braibant, V Pelgrims… - Astronomy & …, 2014 - aanda.org
We have measured the optical linear polarization of quasars belonging to Gpc scale quasar
groups at redshift z~ 1.3. Out of 93 quasars observed, 19 are significantly polarized. We …
groups at redshift z~ 1.3. Out of 93 quasars observed, 19 are significantly polarized. We …
Photon-axion conversion, magnetic field configuration, and polarization of photons
E Masaki, A Aoki, J Soda - Physical Review D, 2017 - APS
We study the evolution of photon polarization during the photon-axion conversion process
with focusing on the magnetic field configuration dependence. Most previous studies have …
with focusing on the magnetic field configuration dependence. Most previous studies have …
Photon-ALP oscillations inducing modifications to photon polarization
G Galanti - Physical Review D, 2023 - APS
Axionlike particles (ALPs) are very light, neutral, spin zero bosons predicted by many
theories which try to extend and complete the standard model of elementary particles. ALPs …
theories which try to extend and complete the standard model of elementary particles. ALPs …
Photon-ALP interaction as a measure of initial photon polarization
G Galanti - Physical Review D, 2022 - APS
Axionlike particles (ALPs) are very light, neutral, spin zero bosons predicted by superstring
theory. ALPs interact primarily with two photons, and in the presence of an external magnetic …
theory. ALPs interact primarily with two photons, and in the presence of an external magnetic …
ALP induced polarization effects on photons from galaxy clusters
G Galanti, M Roncadelli, F Tavecchio, E Costa - Physical Review D, 2023 - APS
Many extensions of the Standard Model of particle physics and in particular superstring and
superbrane theories predict the existence of axionlike particles (ALPs). ALPs are very …
superbrane theories predict the existence of axionlike particles (ALPs). ALPs are very …
[HTML][HTML] Axion-like Particle Effects on Photon Polarization in High-Energy Astrophysics
G Galanti - Universe, 2024 - mdpi.com
In this review, we present a self-contained introduction to axion-like particles (ALPs) with a
particular focus on their effects on photon polarization: both theoretical and …
particular focus on their effects on photon polarization: both theoretical and …
[HTML][HTML] A study of dipolar signal in distant Quasars with various observables
We study the signal of anisotropy in AGNs/quasars of CatWISE2020 catalogue using
different observables. It has been reported earlier that this data shows a strong signal of …
different observables. It has been reported earlier that this data shows a strong signal of …
Alignment of radio galaxy axes using FIRST catalogue
We study the alignment of radio galaxy axes using the FIRST catalogue. We impose several
cuts in order to select the candidates that are most likely to be free of systematic bias. In our …
cuts in order to select the candidates that are most likely to be free of systematic bias. In our …