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@ARTICLE{Jeong:154830,
      author       = {Jeong, Kwangsik and Kawasaki, Masahiro and Takahashi,
                      Fuminobu},
      title        = {{A}xions as {H}ot and {C}old {D}ark {M}atter},
      reportid     = {DESY-2013-01123, DESY-13-181. arXiv:1310.1774. TU-948.
                      ICRR-661-2013-10. IPMU13-0197},
      year         = {2013},
      abstract     = {The presence of a hot dark matter component has been hinted
                      at 3 sigma by a combination of the results from different
                      cosmological observations. We examine a possibility that
                      pseudo Nambu-Goldstone bosons account for both hot and cold
                      dark matter components. We show that the QCD axions can do
                      the job for the axion decay constant $f_a$ < $O(10^10)$ GeV,
                      if they are produced by the saxion decay and the domain wall
                      annihilation. We also investigate the cases of thermal QCD
                      axions, pseudo Nambu-Goldstone bosons coupled to the
                      standard model sector through the Higgs portal, and axions
                      produced by modulus decay.},
      cin          = {T},
      cid          = {I:(DE-H253)T-20120731},
      pnm          = {514 - Theoretical Particle Physics (POF2-514)},
      pid          = {G:(DE-HGF)POF2-514},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)25 / PUB:(DE-HGF)15},
      eprint       = {1310.1774},
      howpublished = {arXiv:1310.1774},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1310.1774;\%\%$},
      url          = {https://bib-pubdb1.desy.de/record/154830},
}