Dark matter and baryogenesis in the Fermi-bounce curvaton mechanism

  • We elaborate on a toy model of matter bounce, in which the matter content is constituted by two fermion species endowed with four fermion interaction terms. We describe the curvaton mechanism that is thus generated, and then argue that one of the two fermionic species may realize baryogenesis, while the other (lighter) one is compatible with constraints on extra hot dark matter particles.
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Andrea Addazi, Stephon Alexander, Yi-Fu Cai and Antonino Marcianó. Dark matter and baryogenesis in the Fermi-bounce curvaton mechanism[J]. Chinese Physics C, 2018, 42(6): 065101. doi: 10.1088/1674-1137/42/6/065101
Andrea Addazi, Stephon Alexander, Yi-Fu Cai and Antonino Marcianó. Dark matter and baryogenesis in the Fermi-bounce curvaton mechanism[J]. Chinese Physics C, 2018, 42(6): 065101.  doi: 10.1088/1674-1137/42/6/065101 shu
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Received: 2018-01-15
Revised: 2018-04-11
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    The work of AA was partially supported during this collaboration by the MIUR research grant Theoretical Astroparticle Physics PRIN 2012CPPYP7 and by SdC Progetto speciale Multiasse La Societ della Conoscenza in Abruzzo PO FSE Abruzzo 2007-2013. The work of YFC is supported in part by the Chinese National Youth Thousand Talents Program (KJ2030220006), by the USTC start-up funding (KY2030000049), by the NSFC (11421303, 11653002), and by the Fund for Fostering Talents in Basic Science of the NSFC (J1310021). AM wishes to acknowledge support by the Shanghai Municipality, through the grant No. KBH1512299, and by Fudan University, through the grant No. JJH1512105

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Dark matter and baryogenesis in the Fermi-bounce curvaton mechanism

  • 1.  Department of Physics &
  • 2.  Department of Physics, Brown University, Providence, RI, 02912, USA
  • 3.  CAS Key Laboratory for Research in Galaxies and Cosmology, Department of Astronomy, University of Science and Technology of China, Chinese Academy of Sciences, Hefei 230026, China
Fund Project:  The work of AA was partially supported during this collaboration by the MIUR research grant Theoretical Astroparticle Physics PRIN 2012CPPYP7 and by SdC Progetto speciale Multiasse La Societ della Conoscenza in Abruzzo PO FSE Abruzzo 2007-2013. The work of YFC is supported in part by the Chinese National Youth Thousand Talents Program (KJ2030220006), by the USTC start-up funding (KY2030000049), by the NSFC (11421303, 11653002), and by the Fund for Fostering Talents in Basic Science of the NSFC (J1310021). AM wishes to acknowledge support by the Shanghai Municipality, through the grant No. KBH1512299, and by Fudan University, through the grant No. JJH1512105

Abstract: We elaborate on a toy model of matter bounce, in which the matter content is constituted by two fermion species endowed with four fermion interaction terms. We describe the curvaton mechanism that is thus generated, and then argue that one of the two fermionic species may realize baryogenesis, while the other (lighter) one is compatible with constraints on extra hot dark matter particles.

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