![]() ![]() Their structure follows from the Tsallis entropy, which is attributed to systems with long-range interactions. We argue that cores are unavoidable in the self-gravitating systems of maximum entropy that result from non-extensive statistical mechanics. Here we propose an alternative yet complementary explanation. ![]() One invokes feedback mechanisms produced by the baryonic component of the galaxies and the other assumes that the properties of the dark matter particle depart from the CDM hypothesis. The proposed solutions to this core-cusp problem can be classified into two types. This prediction is in stark contrast with observations of dwarf galaxies that show a central plateau or “core” in their density distribution. de Buenos Aires, UNNOBA, CONICET, Roque Saenz Peña 456, Junin, ArgentinaĬold dark matter (CDM) simulations predict a central cusp in the mass distribution of galaxies. Instituto de Astrofísica de Canarias, La Laguna, Tenerife 38200, SpainĮ-mail: de Astrofísica, Universidad de La Laguna, La Laguna, SpainĬeBio y Departamento de Ciencias Básicas, Universidad Nacional del Noroeste de la Prov. Jorge Sánchez Almeida 1 ,2, Ignacio Trujillo 1 ,2 and Angel Ricardo Plastino 3 Astronomical objects: linking to databases.Including author names using non-Roman alphabets. ![]() Suggested resources for more tips on language editing in the sciences Punctuation and style concerns regarding equations, figures, tables, and footnotes ![]()
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