English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We study a spherically symmetric fluctuation of scalar dark matter in thecosmos and show that it could be the dark matter in galaxies, provided that thescalar field has an exponential potential whose overall sign is negative andwhose exponent is constrained observationally by the rotation velocities ofgalaxies. The local space-time of the fluctuation contains a three dimensionalspace-like hypersurface with surplus of angle.Comment: 5 REVTeX pages, no figures. Contains important suggestions provided  by the referee. Final version, to appear in Phys. Rev.

Spherical scalar field halo in galaxies