Academic literature on the topic 'Axion cosmology'

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Journal articles on the topic "Axion cosmology"

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Marsh, David J. E. "Axion cosmology." Physics Reports 643 (July 2016): 1–79. http://dx.doi.org/10.1016/j.physrep.2016.06.005.

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Chen, Chong-Bin, and Jiro Soda. "Implications of multi-axion dark matter on structure formation." Journal of Cosmology and Astroparticle Physics 2023, no. 06 (2023): 049. http://dx.doi.org/10.1088/1475-7516/2023/06/049.

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Abstract Axions are candidates for dark matter in the universe.We develop an accurate Boltzmann code to calculate the linear growth of the plasma. As an interesting example, we investigate a mixed dark matter model consisting of cold dark matter (CDM) and two-axion dark matter. We analyze the growth of the structure numerically and analytically. We find that an effective single axion with an effective mass and an effective abundance is useful to characterize the two-axion cosmology. Moreover, we generalize the effective single axion description to multi-axion dark matter cosmology. We also com
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Turner, Michael S., and Frank Wilczek. "Inflationary axion cosmology." Physical Review Letters 66, no. 1 (1991): 5–8. http://dx.doi.org/10.1103/physrevlett.66.5.

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Bachlechner, Thomas C., Kate Eckerle, Oliver Janssen, and Matthew Kleban. "Axion landscape cosmology." Journal of Cosmology and Astroparticle Physics 2019, no. 09 (2019): 062. http://dx.doi.org/10.1088/1475-7516/2019/09/062.

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LYTH, D. H. "Inflationary Axion Cosmology." Annals of the New York Academy of Sciences 647, no. 1 Texas/ESO-Cer (1991): 736–42. http://dx.doi.org/10.1111/j.1749-6632.1991.tb32226.x.

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CHOI, KIWOON. "THERMAL PRODUCTION OF AXINO DARK MATTER." International Journal of Modern Physics: Conference Series 10 (January 2012): 107–14. http://dx.doi.org/10.1142/s2010194512005818.

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We discuss certain features of the low energy effective interactions of axion supermultiplet, which are relevant for axino cosmology, and examine the implication to thermal production of axino in the early Universe.
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Zhao, Wenhao, and Yuqi Zhu. "The properties of axion with three different sets of parameters in two flavor Nambu-Jona-Lasinio model." Journal of Physics: Conference Series 2882, no. 1 (2024): 012061. http://dx.doi.org/10.1088/1742-6596/2882/1/012061.

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Abstract While the properties of axions have been studied primarily through high-energy physics and cosmology, there are some potential connections between the research results and the aerospace field. We study the properties of axions in hot and dense matter with three different sets of parameters in the Nambu-Jona-Lasinio model, including axion mass and self-coupling. We discussed axion mass and self-coupling, noting that axion properties are very sensitive to chiral phase transitions for three sets of parameters. The axion mass and self-coupling rapidly decrease in the chiral crossover regi
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Patrascu, Andrei T. "H0 Tensions in Cosmology and Axion Pseudocycles in the Stringy Universe." Universe 8, no. 10 (2022): 500. http://dx.doi.org/10.3390/universe8100500.

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The tension between early and late H0 is revised in the context of axion dark matter arising naturally from string theoretical integrations of antisymmetric tensor fields over non-trivial cycles. Certain early universe cycles may appear non-trivial from the perspective of a homology analysis focused on the early universe, while they may become trivial when analysed from the perspective of a homology theory reaching out to lower energies and later times. Such phenomena can introduce variations in the axion potential that would explain the observed H0 tension. The decay of such pseudo-axions whe
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Smith, Adam, Maria Mylova, Philippe Brax, Carsten van de Bruck, C. P. Burgess, and Anne-Christine Davis. "CMB implications of multi-field axio-dilaton cosmology." Journal of Cosmology and Astroparticle Physics 2024, no. 12 (2024): 058. https://doi.org/10.1088/1475-7516/2024/12/058.

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Abstract Axio-dilaton models are among the simplest scalar-tensor theories that contain the two-derivative interactions that naturally compete at low energies with the two-derivative interactions of General Relativity. Such models are well-motivated as the low energy fields arising from string theory compactification. We summarize these motivations and compute their cosmological evolution, in which the dilaton acts as dark energy and its evolution provides a framework for dynamically evolving particle masses. The derivative axion-dilaton couplings play an important role in the success of these
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Linde, A. D. "Inflation and axion cosmology." Physics Letters B 201, no. 4 (1988): 437–39. http://dx.doi.org/10.1016/0370-2693(88)90597-7.

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Dissertations / Theses on the topic "Axion cosmology"

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Powell, Andrew James. "The cosmology and astrophysics of axion-like particles." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:bbbb3cbc-a0ba-4024-86b0-c720d8104270.

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In this thesis I study astrophysical and cosmological effects of axion-like particles (ALPs). ALPs are pseudo-scalar particles, which are generally very weakly-interacting, with a coupling α/M E · B to electromagnetism. They are predicted by many theories which extend the standard model (SM) of particle physics, most notably string theory. String theory compactifications also predict many scalar fields called moduli which describe the size and shape of the extra, compact dimensions. In string theory models generically the moduli fields are responsible for reheating the universe after inflation
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Wantz, Olivier. "The instanton liquid and the axion." Thesis, University of Cambridge, 2010. https://www.repository.cam.ac.uk/handle/1810/225235.

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The ultimate goal of this thesis is to improve our understanding of the cosmology of axions. Axions couple to QCDinstantons and these non-perturbative effects are modeled within the framework of the interacting instanton liquid model (IILM). The thesis describes the significant advances made within the IILM in order to study the quark-gluon plasma in realistic parameter regimes. In particular, a determination of the temperature-dependent axion mass in the IILM lays the foundation for a critical reevaluation and update of present cosmological axion constraints. We develop grand canonical Monte
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Stewart, Ewan Davidson. "Axion cosmology : the behaviour of the Peccei-Quinn field during inflation." Thesis, Lancaster University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332083.

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Obata, Ippei. "Chiral Primordial Gravitational Waves Sourced by Axion-Gauge Couplings." Kyoto University, 2018. http://hdl.handle.net/2433/232235.

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Bacchi, Michael. "Chiral gravitational waves from axion-inflation models with step-like features." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24833/.

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Models with an axion-like inflaton have received considerable attention since the early 90’s, since pseudo-Nambu Goldstone bosons (pNGBs) have a radiatively stable potential and they are abundant in string theory. In these models, the inflaton can be coupled with a gauge field, leading to a rich phenomenology. The produced gauge quanta source the scalar and tensor components of the metric perturbations, with the latter giving rise to non-vanishing TB and EB correlation functions in the Cosmic Microwave Background (CMB), which can be detected by ongoing and future experiments. In this work, we
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Kost, Jeffrey David, and Jeffrey David Kost. "Phase Transitions in the Early Universe: The Cosmology of Non-minimal Scalar Sectors." Diss., The University of Arizona, 2017. http://hdl.handle.net/10150/625467.

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Light scalar fields such as axions and string moduli can play an important role in early-universe cosmology. However, many factors can significantly impact their late-time cosmological abundances. For example, in cases where the potentials for these fields are generated dynamically --- such as during cosmological mass-generating phase transitions --- the duration of the time interval required for these potentials to fully develop can have significant repercussions. Likewise, in scenarios with multiple scalars, mixing amongst the fields can also give rise to an effective timescale that modifies
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Dienes, Keith R., Jeff Kost, and Brooks Thomas. "Kaluza-Klein towers in the early universe: Phase transitions, relic abundances, and applications to axion cosmology." AMER PHYSICAL SOC, 2017. http://hdl.handle.net/10150/624934.

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We study the early-universe cosmology of a Kaluza-Klein (KK) tower of scalar fields in the presence of a mass-generating phase transition, focusing on the time development of the total tower energy density (or relic abundance) as well as its distribution across the different KK modes. We find that both of these features are extremely sensitive to the details of the phase transition and can behave in a variety of ways significant for late-time cosmology. In particular, we find that the interplay between the temporal properties of the phase transition and the mixing it generates are responsible
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Grilli, di Cortona Giovanni. "Phenomenology of dark matter at present and future experiments." Doctoral thesis, SISSA, 2016. http://hdl.handle.net/20.500.11767/4901.

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In this thesis we present a study of two different dark matter candidates. We focus on the neutralino in split supersymmetric models and in models of Dirac gauginos, and on the QCD axion. In the first part of the thesis we discuss supersymmetric searches at future hadron colliders and dark matter direct detection experiments. We obtain mass reach for several simplified models in split supersymmetry with neutralino or gravitino lightest supersymmetric particle at 14, 33 and 100 TeV collider. In particular, a supersymmetric simplified model of anomaly mediation with long lived Winos has cruci
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Ramberg, Nicklas. "Cosmological probes of the early universe with Axions & Gravitational Waves." Thesis, Uppsala universitet, Teoretisk fysik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-394014.

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This thesis uses theoretical studies, and numerical simulations to provide results of the experimental reach to detect the QCD axion as dark matter in a Non-standard cosmological background. Assuming that the QCD axion constitutes the full CDM abundance of the universe, this thesis elaborates on its potential detection from experimental setups for the mass window of the axion. The set of results that is obtained here are the relic CDM energy density of axions produced by the vacuum realignment mechanism and the CDM energy density of axions produced from the decay of a network of cosmic strings
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Elmer, Martin. "Nouvelle physique entre cosmologie et le LHC : axions, neutrinos et Z'." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10178/document.

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Pendant mes trois ans de doctorat j'ai eu le plaisir de travailler sur trois projets très variés ayant un but commun: mieux contraindre certains modèles de nouvelle physique entre cosmolo- gie et le LHC. Le fait que les densités reliques de matière noire et de baryons sont similaires semble indiquer qu'il y a un lien entre les deux. Nous essayons d'expliquer les valeurs observées en reliant un modèle de leptogenèse au miracle des WIMPs, qui produit naturellement la bonne densité relique. Si l'asymétrie baryonique est produit dans des désintégrations hors équilibre à l'échelle électro-faible et
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Books on the topic "Axion cosmology"

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M, Kuster, Beltrán B, Raffelt Georg G, and European Organization for Nuclear Research., eds. Axions: Theory, cosmology, and experimental searches. Springer, 2008.

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Kuster, Markus, Georg Raffelt, and Berta Beltrán. Axions: Theory, Cosmology, and Experimental Searches. Springer London, Limited, 2007.

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Kuster, Markus, Georg Raffelt, and Berta Beltrán. Axions: Theory, Cosmology, and Experimental Searches. Springer, 2010.

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Vigdor, Steven E. The Dark Side. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198814825.003.0006.

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Chapter 6 deals with the remaining mysteries in cosmology—dark matter, dark energy, and inflationary expansion—and the experiments aimed at solving them. It reviews the evidence for dark matter, and experiments to detect the microscopic particles proposed as its constituents: weakly interacting massive particles and invisible axions. Contrasts are drawn between the failure to understand the scale of dark energy theoretically and the ambitious new survey telescopes, such as the Large Synoptic Survey Telescope (or LSST), that aim to constrain its equation of state. The theoretical concepts and p
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Book chapters on the topic "Axion cosmology"

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Sikivie, Pierre. "Axion Cosmology." In Lecture Notes in Physics. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-73518-2_2.

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Moskowitz, B. E., S. De Panfilis, A. C. Melissinos, et al. "Improved Limits from the Galactic Axion Search." In Astronomy, Cosmology and Fundamental Physics. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0965-6_20.

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Tsuruta, S., and K. Nomoto. "Axions in the Universe." In Observational Cosmology. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3853-3_83.

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Maroudas, Marios, and Kaan Ozbozduman. "Hunting Dark Matter Axions with CAST." In Advances in Cosmology. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-05625-3_8.

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Zioutas, K., and Y. Semertzidis. "A New Detector Scheme for Axions." In Astronomy, Cosmology and Fundamental Physics. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0965-6_53.

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Bailin, David, and Alexander Love. "Relic neutrinos and axions." In Cosmology in Gauge Field Theory and String Theory. CRC Press, 2021. http://dx.doi.org/10.1201/9780367806637-5.

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"Relic neutrinos and axions." In Cosmology in Gauge Field Theory and String Theory. Taylor & Francis, 2004. http://dx.doi.org/10.1201/9781420057003.ch5.

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"SÚ-HU: SUTÁ." In Archaeology in a Living Landscape, edited by Brent K. S. Woodfill and Lucia R. Henderson. University Press of Florida, 2024. https://doi.org/10.5744/florida/9780813079196.003.0013.

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This epilogue chapter describes lived experiences of “non-human personhood/NHP” from the/our Indigenous axiom that we are all relatives—the seen and unseen, and the heard and unheard. The Oċheti Šhakowiŋ Oyate term for this actualized concept is to live well with Mitakuye Owasiŋ (All My Relations). As humans came after the other Relatives in this/our cosmology, we need their guidance and help to live well. We are not the supreme human capstone or crowning achievement of life, as the non-Indigenous, axiomatic “alpha” worldview purports. This chapter 13 refers and connects to the other 12 chapte
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Conference papers on the topic "Axion cosmology"

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Raffelt, G. G., J. Hamann, S. Hannestad, et al. "Axion Bounds from Precision Cosmology." In AXIONS 2010: Proceedings of the International Conference. AIP, 2010. http://dx.doi.org/10.1063/1.3489559.

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Berkowitz, Evan. "Lattice QCD and Axion Cosmology." In The 33rd International Symposium on Lattice Field Theory. Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.251.0236.

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O'Hare, Ciaran. "Cosmology of axion dark matter." In 1st General Meeting and 1st Training School of the COST Action COSMIC WSIPers. Sissa Medialab, 2024. http://dx.doi.org/10.22323/1.454.0040.

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Di Valentino, Eleonora. "Thermal axion cosmology and inflationary freedom." In Neutrino Oscillation Workshop. Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.283.0089.

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WANDS, DAVID. "AXION-DILATON FLUCTUATIONS IN STRING COSMOLOGY." In Proceedings of the First International Workshop on Particle Physics and the Early Universe. WORLD SCIENTIFIC, 1998. http://dx.doi.org/10.1142/9789814447263_0080.

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Lavrelashvili, George. "New Euclidean axion wormholes." In International Conference on Particle Physics and Cosmology. Sissa Medialab, 2024. http://dx.doi.org/10.22323/1.455.0003.

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Nakayama, Kazunori, Hideo Kodama, and Kunihito Ioka. "Inflationary cosmology of axion models in supergravity." In KEK COSMOPHYSICS GROUP INAUGURAL CONFERENCE “ACCELERATORS IN THE UNIVERSE”: Interplay between High Energy Physics and Cosmophysics. AIP, 2008. http://dx.doi.org/10.1063/1.2981554.

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Kawasaki, Masahiro, Takeshi Fukuyama, and Tatsuru Kikuchi. "Supersymmetry and Cosmology: Inflation, gravitino and axion." In GRAND UNIFIED THEORIES: CURRENT STATUS AND FUTURE PROSPECTS: An International Workshop. AIP, 2008. http://dx.doi.org/10.1063/1.2939055.

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BOZZA, V., M. GASPERINI, M. GIOVANNINI, and G. VENEZIANO. "THE AXION AS A CURVATON IN STRING COSMOLOGY MODELS." In Proceedings of the International Conference. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702999_0006.

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Klimchitskaya, G. L., and V. M. Mostepanenko. "Laboratory and astrophysical constraints on an axion." In Twelfth Asia-Pacific International Conference on Gravitation, Astrophysics, and Cosmology. WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789814759816_0014.

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