Related papers: Active colloidal suspensions exhibit polar order u…

This paper has been withdrawn by the author

Gravitational effects in colloidal suspensions can be easily turned off by matching the density of the solid microparticles with the one of the surrounding fluid. By studying the motion of catalytic microswimmers with tunable buoyant…

This paper has been withdrawn by the authors

This paper has been withdrawn by the author.

This paper has been withdrawn by the author(s) due to the discussion was made on the basis of linear term merely, which is incomplete.

This paper has been withdrawn to allow publication elsewhere.

The paper has been withdrawm. A completely new version on oscillating axionic boson stars will appear.

This paper has been withdrawn by the author.

This paper has been withdrawn. It was an early draft submitted prematurely in error. A complete version is to be submitted shortly.

This paper has been withdrawn by the author due to unspecified problems.

This paper has been withdrawn since its content is included in the more general version arXiv:0804.1882

We review recent experimental, numerical, and analytical results on active suspensions of self-propelled colloidal beads moving in (quasi) two dimensions. Active colloids form part of the larger theme of active matter, which is noted for…

This paper has been withdrawn since the results are not satisfied.

The paper has been withdrawn

This paper has been withdrawn, because relevant publications, related to the subject of the paper, were overlooked by the author.

This paper has been withdrawn.

This paper has been withdrawn by the author.

This paper has been withdrawn by the authors due to substantial changes.

The paper has been withdrawn

This paper has been withdrawn by the authors. Significantly revised versions of the results of this paper are now available in arXiv:0707.0487v2 and arXiv:0808.3169v1.