Jae-weon Lee

Galactic halos as boson stars

We investigate the boson star with the self-interacting scalar field as a model of galactic halos. The model has slightly increasing rotation curves and allows wider ranges of the mass(

Oscillating inflation with a nonminimally coupled scalar field

m

Inflation and inverse symmetry breaking.

) and coupling(

Open inflation with scalar-tensor gravity

\lambda

Minimum mass of galaxies from BEC or scalar field dark matter

) of the halo dark matter particle than the non-interacting model previously suggested(ref.\cite{sin1}). Two quantities are related by

BEC dark matter can explain collisions of galaxy clusters

\lambda^{\frac{1}{2}} (m_p/m)^2\st{>}{\sim} 10^{50}

Radiation Damping at a Bubble Wall

.