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          "value": "Departamento de Fisica Teorica and Instituto de Fisica Teorica UAM/CSIC, Universidad Autonoma de Madrid, Cantoblanco, Madrid, 28049, Spain", 
          "organization": "Universidad Autonoma de Madrid"
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      ], 
      "surname": "Giorgi", 
      "email": "arturo.degiorgi@uam.es", 
      "full_name": "Giorgi, A.", 
      "given_names": "A."
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    {
      "affiliations": [
        {
          "country": "Germany", 
          "value": "Physikalisches Institut, Albert-Ludwigs-Universit\u00e4t Freiburg, Hermann-Herder-Str. 3, Freiburg, 79104, Germany", 
          "organization": "Albert-Ludwigs-Universit\u00e4t Freiburg"
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      "surname": "Vogl", 
      "email": "stefan.vogl@physik.uni-freiburg.de", 
      "full_name": "Vogl, S.", 
      "given_names": "S."
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  "titles": [
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      "source": "Springer", 
      "title": "Warm dark matter from a gravitational freeze-in in extra dimensions"
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      "holder": "The Author(s)", 
      "year": "2023"
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  "abstracts": [
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      "source": "Springer", 
      "value": "We study the freeze-in of gravitationally interacting dark matter in extra dimensions. Focusing on a minimal dark matter candidate that only interacts with the SM via gravity in a five-dimensional model we find that a large range of dark matter and Kaluza-Klein graviton masses can lead to the observed relic density. The preferred values of the masses and the strength of the interaction make this scenario very hard to test in terrestrial experiments. However, significant parts of the parameter space lead to warm dark matter and can be tested by cosmological and astrophysical observations."
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