%0 Journal Article %1 MNR:MNR7679 %A Fuchs, B. %A Mielke, E. W. %D 2004 %I Blackwell Science Ltd %J Monthly Notices of the Royal Astronomical Society %K dark_matter_halo solitons %N 2 %P 707--709 %R 10.1111/j.1365-2966.2004.07679.x %T Scaling behaviour of a scalar field model of dark matter haloes %U http://dx.doi.org/10.1111/j.1365-2966.2004.07679.x %V 350 %X ABSTRACT Galactic dark matter is modelled by a scalar field. In particular, it is shown that an analytically solvable toy model with a non-linear self-interaction potential U(Φ) leads to dark halo models which have the form of quasi-isothermal spheres. We argue that these fit the observed rotation curves of galaxies better than the centrally cusped haloes of standard cold dark matter. The scalar field model predicts a proportionality between the central densities of the dark haloes and the inverse of their core radii. We test this prediction successfully against a set of rotation curves of low-surface-brightness galaxies and nearby bright galaxies.

@article{MNR:MNR7679, abstract = {ABSTRACT Galactic dark matter is modelled by a scalar field. In particular, it is shown that an analytically solvable toy model with a non-linear self-interaction potential U(Φ) leads to dark halo models which have the form of quasi-isothermal spheres. We argue that these fit the observed rotation curves of galaxies better than the centrally cusped haloes of standard cold dark matter. The scalar field model predicts a proportionality between the central densities of the dark haloes and the inverse of their core radii. We test this prediction successfully against a set of rotation curves of low-surface-brightness galaxies and nearby bright galaxies.}, added-at = {2011-03-16T04:18:34.000+0100}, author = {Fuchs, B. and Mielke, E. W.}, biburl = {https://www.bibsonomy.org/bibtex/2e0476a4b13e70bfe65359e88badcb73d/casvada}, description = {Scaling behaviour of a scalar field model of dark matter haloes - Fuchs - 2004 - Monthly Notices of the Royal Astronomical Society - Wiley Online Library}, doi = {10.1111/j.1365-2966.2004.07679.x}, interhash = {7070a7526d49bb6991f066ccf73d3bec}, intrahash = {e0476a4b13e70bfe65359e88badcb73d}, issn = {1365-2966}, journal = {Monthly Notices of the Royal Astronomical Society}, keywords = {dark_matter_halo solitons}, number = 2, pages = {707--709}, publisher = {Blackwell Science Ltd}, timestamp = {2011-03-16T04:18:34.000+0100}, title = {Scaling behaviour of a scalar field model of dark matter haloes}, url = {http://dx.doi.org/10.1111/j.1365-2966.2004.07679.x}, volume = 350, year = 2004 }