  A novel laser cooling mechanism based on many body effects is presented. The
method can be applicable for cooling a large class of atoms and molecules in
higher density than commonly excepted by existing methods. The cooling
mechanism relies on the collective encounters of particle and light. Stochastic
events between the particles and photons as well as a collective effect give
rise to energy transfer between these media. Such mechanism relies on multiple
light-matter encounters, therefore requiring a sufficient particle density,
$\rho \sim 10^{14} \text{cm}^{-3}$. This is an advantage for experiments where
high phase space density is required. A second tuning laser can be added
increasing the applicability to many types of atoms and molecules. This tuning
laser changes the inter-particle potential by inducing an AC stark effect. As a
result the required trapping density can be reduced down to $\rho \sim 10^6
\text{cm}^{-3}$. Simulations of phase space distributions were performed
comparing different particle densities, trap potentials and light field
intensity profiles. The modelling shows efficient cooling rates up to $~10^{2}
\text{K/s}$ for a dense ensemble of $~^{87}$Rb atoms, and cooling rates up to
$~6\cdot 10^{2} \text{K/s}$ when adding an additional tuning source.
