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6 research outcomes, page 1 of 1
  • publication . Preprint . Article . Other literature type . 2019
    Open Access English
    Authors:
    Ville Vaskonen; Catarina Cosme; Nicolás Bernal;
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575), RCUK | Astronomy Research at Que... (ST/J001546/1)

    Comment: V1: 17 pages, 4 figures. V2: matches version published in EPJC

  • publication . Article . Preprint . 2020
    Open Access
    Authors:
    Bernal, Nicolás; Rubio, Javier; Veermäe, Hardi;
    Publisher: IOP Publishing
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    We present a novel UV freeze-in mechanism for enhancing the dark matter abundance in cosmologies where inflation is followed by an epoch dominated by a fluid stiffer than radiation. In such scenarios, even a small radiation abundance, produced for instance by instantane...

  • publication . Preprint . Article . Other literature type . 2020
    Open Access English
    Authors:
    Ellis, John; Lewicki, Marek; No, José Miguel;
    Project: EC | ELUSIVES (674896), RCUK | Fundamental Physics from ... (ST/P000258/1), EC | InvisiblesPlus (690575)

    We survey systematically the general parametrisations of particle-physics models for a first-order phase transition in the early universe, including models with polynomial potentials both with and without barriers at zero temperature, and Coleman-Weinberg-like models wi...

  • publication . Preprint . 2020
    Open Access English
    Authors:
    Bernal, Nicolás; Rubio, Javier; Veermäe, Hardi;
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    Comment: 20 pages, 6 figures

  • publication . Other literature type . Review . Article . Preprint . 2017
    Open Access
    Authors:
    Ville Vaskonen; Kimmo Ilmari Tuominen; Matti Pekka Samuli Heikinheimo; Nicolás Bernal;
    Publisher: World Scientific Pub Co Pte Lt
    Project: EC | ELUSIVES (674896), EC | InvisiblesPlus (690575)

    Comment: A review paper, 50 pages, 7 figures. v2: Added references, matches the version to appear in Int.J.Mod.Phys. A

  • publication . Preprint . 2020
    Open Access English
    Authors:
    Allahverdi, Rouzbeh; Amin, Mustafa A.; Berlin, Asher; Bernal, Nicolás; Byrnes, Christian T.; Delos, M. Sten; Erickcek, Adrienne L.; Escudero, Miguel; Figueroa, Daniel G.; Freese, Katherine; ...
    Publisher: HAL CCSD
    Project: EC | DARKHORIZONS (648680), NSF | Beyond the Thermal WIMP P... (1720174), NSF | Kavli Institute for Theor... (1748958), EC | ELUSIVES (674896), NSF | Collaborative Research: N... (1813834), RCUK | Fundamental Physics from ... (ST/P000258/1), NSF | Mathematical Sciences Res... (1440140), NSF | CAREER: Illuminating the ... (1752752), EC | InvisiblesPlus (690575)

    It is commonly assumed that the energy density of the Universe was dominated by radiation between reheating after inflation and the onset of matter domination 54,000 years later. While the abundance of light elements indicates that the Universe was radiation dominated d...

6 research outcomes, page 1 of 1
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