@Article{BelloniSchr:2020:ArWhDw,
               author = "Belloni, Diogo Teixeira and Schreiber, Matthias R.",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and 
                         {Universidad de Valpara{\'{\i}}so}",
                title = "Are white dwarf magnetic fields in close binaries generated during 
                         common-envelope evolution?",
              journal = "Monthly Notices of the Royal Astronomical Society",
                 year = "2020",
               volume = "492",
               number = "1",
                pages = "1523--1529",
                month = "Feb.",
             keywords = "methods: numerical, stars: evolution, stars: magnetic field, 
                         novae, cataclysmic variables, white dwarfs.",
             abstract = "Understanding the origin of the magnetic fields in white dwarfs 
                         (WDs) has been a puzzle for decades. A scenario that has gained 
                         considerable attention in the past years assumes that such 
                         magnetic fields are generated through a dynamo process during 
                         common-envelope evolution. We performed binary population models 
                         using an up-to-date version of the BSE code to confront the 
                         predictions of this model with observational results. We found 
                         that this hypothesis can explain only the observed distribution of 
                         WD magnetic fields in polars and pre-polars and the 
                         low-temperature WDs in pre-polars if it is re-scaled to fit the 
                         observational data. Furthermore, in its present version, the model 
                         fails to explain the absence of young, close detached WD+M-dwarf 
                         binaries harbouring hot magnetic WDs and predicts that the 
                         overwhelming majority of WDs in close binaries should be strongly 
                         magnetic, which is also in serious conflict with the observations. 
                         We conclude that either the common-envelope dynamo scenario needs 
                         to be substantially revised or a different mechanism is 
                         responsible for the generation of strong WD magnetic fields in 
                         close binaries.",
                  doi = "10.1093/mnras/stz3601",
                  url = "http://dx.doi.org/10.1093/mnras/stz3601",
                 issn = "0035-8711 and 1365-2966",
             language = "en",
           targetfile = "belloni_are.pdf",
        urlaccessdate = "27 abr. 2024"
}