Results 61 to 70 of about 41,771 (184)
, 2020 We study the future prospects of the 21cm forest observations on the axion-like dark matter when the spontaneous breaking of the global Peccei-Quinn (PQ) symmetry occurs after the inflation.
Ichiki, Kiyotomo +2 more
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Universe, 2019 The temperature (T) dependence of the axion mass is predicted for T ′ s up to ∼ 2.3 × the chiral restoration temperature of QCD. The axion is related to the U A ( 1 ) anomaly. The squared axion mass m a
Davor Horvatić +2 more
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Collapse of an axion scalar field
European Physical Journal C: Particles and Fields, 2021 The manuscript deals with an interacting scalar field that mimics the evolution of the so-called axion scalar dark matter or axion like particles with ultra-light masses.
Soumya Chakrabarti
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Axions and Axion-Like Particles
, 2014 8 pages, 2 figures, invited review talk at the Rencontres de Moriond EW 2014, 15-22 March 2014, La Thuile ...
openaire +4 more sources
The QCD axion at finite density
Journal of High Energy Physics, 2020 We show how the properties of the QCD axion change in systems at finite baryonic density, such as neutron stars. At nuclear saturation densities, where corrections can be reliably computed, we find a mild reduction of the axion mass and up to an order of
Reuven Balkin +3 more
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, 1988 The effect of free-streaming axion emission on numerical models for the cooling of the newly born neutron star associated with SN1987A is considered.
Brinkmann, R. P. +2 more
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Photon enhancement in a homogeneous axion dark matter background
, 2019 We study the propagation of photons in a homogeneous axion dark matter background. When the axion decay into two photons is stimulated, the photon field exhibits a parametric instability in a small bandwidth centered on one half of the axion mass.
Arza, Ariel
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Collapse of axionic domain wall and axion emission
Physical Review D, 1994 uuencoded compressed 6 pages (REVTeX) + 6 figures (Postscript), UTAP-175 ICRR-Report-314-94 ...
Nagasawa, Michiyasu, Kawasaki, Masahiro
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Emergent Majorana mass and axion couplings in superfluids
New Journal of Physics, 2014 Axions (in the general sense) may acquire qualitatively new couplings inside superfluids. Their conventional couplings to fermions, in empty space, involve purely imaginary masses; the new couplings involve emergent Majorana masses. A generalized concept
Frank Wilczek
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Maximal axion misalignment from a minimal model
Journal of High Energy Physics, 2020 The QCD axion is one of the best motivated dark matter candidates. The misalignment mechanism is well known to produce an abundance of the QCD axion consistent with dark matter for an axion decay constant of order 1012 GeV.
Junwu Huang +3 more
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