Cosmological Axion and Quark Nugget Dark Matter Model

Abstract

We study a dark matter (DM) model offering a very natural explanation of two (naively unrelated) problems in cosmology: the observed relation ${\Omega }_{\mathrm{DM}}\sim {\Omega }_{\mathrm{visible}}$ and the observed asymmetry between matter and antimatter in the Universe, known as the "baryogenesis" problem. In this framework, both types of matter (dark and visible) have the same QCD origin, form at the same QCD epoch, and both proportional to one and the same dimensional parameter of the system, ${\Lambda }_{\mathrm{QCD}}$, which explains how these two, naively distinct, problems could be intimately related, and could be solved simultaneously within the same framework. More specifically, the DM in this model is composed by two different ingredients: the (well- studied) DM axions and (less-studied) the quark nuggets made of matter or antimatter. The focus of the present work is the quantitative analysis of the relation between these two distinct components contributing to the dark sector of the theory determined by ${\Omega }_{\mathrm{DM}}\equiv [{\Omega }_{\mathrm{DM}}(\mathrm{nuggets})+{\mathrm{\Omega }}_{\mathrm{DM}}(\mathrm{axion})]$. We argue that the nugget's DM component always traces the visible matter density, i.e. ${\Omega }_{\mathrm{DM}}(\mathrm{nuggets})\sim {\mathrm{\Omega }}_{\mathrm{visible}}$ and this feature is not sensitive to the parameters of the system such as the axion mass $m_a$ or the misalignment angle ${\theta }_0$. It should be contrasted with conventional axion production mechanism due to the misalignment when ${\Omega }_{\mathrm{DM}}(\mathrm{axion})$ is highly sensitive to the axion mass $m_a$ and the initial misalignment angle ${\theta }_0$. We also discuss the constraints on this model related to the inflationary scale $H_I$, non-observation of the isocurvature perturbations, $r_T<0.12$, and also, varies axions search experiments.

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Cited by in corpus (35)

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• Axion Quark Nuggets. Dark Matter and Matter-Antimatter asymmetry: theory, observations and future experiments
• Detecting Composite Dark Matter with Long Range and Contact Interactions in Gas Clouds
• Primordial Lithium Puzzle and the Axion Quark Nugget Dark Matter Model
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• Gravitationally trapped axions on Earth
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• Antimatter as Macroscopic Dark Matter
• The ANITA Anomalous Events and Axion Quark Nuggets
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• Bulk Strong Matter: the Trinity
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• Radio impulsive events in quiet solar corona and Axion Quark Nugget Dark Matter
• DAMA/LIBRA annual modulation and Axion Quark Nugget Dark Matter Model
• A Proposed Network to Detect Axion Quark Nugget Dark Matter
• The Mysterious Bursts observed by Telescope Array and Axion Quark Nuggets
• Solar radio emissions and ultralight dark matter
• X-ray annual modulation observed by XMM-Newton and Axion Quark Nugget Dark Matter
• The Pierre Auger Exotic Events and Axion Quark Nuggets
• Mysterious anomalies in Earth's atmosphere and strongly interacting Dark Matter
• Radiation from cold molecular clouds and Sun chromosphere produced by anti-quark nugget dark matter
• Telescope Array Bursts, Radio Pulses and Axion Quark Nuggets
• The Glow of Axion Quark Nugget Dark Matter: (II) Galaxy Clusters
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• Pulsar as a Weber detector of gravitational waves and a probe to its internal phase transitions
• Daily modulations and broadband strategy in axion searches. An application with CAST-CAPP detector
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• Neutrino emission and initial evolution of axionic quark nuggets
• Neutron Stars as the Dark Matter detectors
• The Glow of Axion Quark Nugget Dark Matter: (IV) CMB Spectral and Anisotropy Signatures