| __Structure formation with a self-tuning scalar field__ *(Site not responding. Last check: 2007-10-21)* |

| | A **scalar** **field** with an exponential potential has the particular property that it is attracted into a solution in which its energy scales as the dominant component (radiation or matter) of the Universe, contributing a fixed fraction of the total energy density. |

| | We study the growth of perturbations in a flat CDM dominated universe with this extra **field**, with an initial flat spectrum of adiabatic fluctuations. |

| | The observational constraints from structure formation are satisfied as well, or better, than in other models, with approximately 10% of the energy density in the **scalar** **field**, which is small enough to be consistent with entry into the attractor prior to nucleosynthesis. |

| www.maths.tcd.ie /report_series/abstracts/tcdm9710.html (108 words) |