TY - JOUR AU - Villaescusa-Navarro, F. AU - Dalal, N. PY - 2011 DA - 2011// TI - Cores and cusps in warm dark matter halos T2 - J. Cosmol. Astropart. Phys. JO - Journal of Cosmology and Astroparticle Physics SP - 024 EP - 16pp VL - 03 IS - 3 PB - Iop Publishing Ltd KW - dark matter theory KW - dark matter simulations KW - dwarfs galaxies KW - rotation curves of galaxies AB - The apparent presence of large core radii in Low Surface Brightness galaxies has been claimed as evidence in favor of warm dark matter. Here we show that WDM halos do not have cores that are large fractions of the halo size: typically, r(core)/r(200) less than or similar to 10(-3). This suggests an astrophysical origin for the large cores observed in these galaxies, as has been argued by other authors. SN - 1475-7516 UR - http://arxiv.org/abs/1010.3008 UR - https://doi.org/10.1088/1475-7516/2011/03/024 DO - 10.1088/1475-7516/2011/03/024 LA - English N1 - ISI:000291258300024 ID - Villaescusa-Navarro+Dalal2011 ER -