Pulsed polarization gradient cooling in an optical dipole trap with a Laguerre-Gaussian laser beam Y. Torii, N. Shiokawa, T. Hirano, T. Kuga, Y. Shimizu and H. Sasada Eur. Phys. J. D, 1 3 (1998) 239-242 Published online: 15 March 1998 DOI: 10.1007/s100530050088