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Vector Coherent Oscillation Dark Matter
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Vector Coherent Oscillation Dark Matter
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We construct a model of hidden massive vector boson dark matter as a homogeneous coherent oscillation in the entire universe without any dangerous instability. We make use of a particular form of the vector boson coupling to a scalar field through the gauge kinetic function. This scenario may be distinguished from other dark matter models through the observation of statistical anisotropy in the dark matter isocurvature perturbation.
Forward citations
Cited by 6 Pith papers
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CMB Test of the Higgs Origin of Dark-Photon Dark Matter
CMB isocurvature distinguishes Higgsed dark-photon DM production histories via a model-independent response formalism, requiring q_eff >=2 and initial displacements >3.5e4 H_* for perturbative full-abundance cases.
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Spin-1 Ultralight Dark Matter under Cosmological Scrutiny: Mass Constraints from CMB and Distance Probes
Cosmological data place a lower bound near 10⁻²⁴ eV on spin-1 ultralight dark matter and predict a CMB anisotropy signature that may be detectable when the vector field is a minor dark-matter component.
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Dark Photon Dark Matter from Quantum Fluctuations during Starobinsky Inflation
Dark photons produced by quantum fluctuations during Starobinsky inflation must have a mass of 5.6–7.4 µeV to be all the dark matter.
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Post-Inflationary Quenched Production of Axion SU(2) Dark Matter
Post-inflationary axion-SU(2) vector dark matter production is recast as a quantum quench with a survival factor that induces an O(1) renormalization of the standard relic abundance.
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Misalignment production of isotropized vector dark matter?
Kinetic-coupling misalignment of an isotropized multi-vector condensate cannot produce dark matter: non-Gaussianity and isocurvature constraints exclude the viable parameter space in both weak- and strong-mixing regimes.
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Misalignment production of isotropized vector dark matter?
Isotropized multi-vector misalignment dark matter from kinetic coupling is excluded because non-Gaussianity and isocurvature bounds require incompatible mixing strengths.
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