Determination of zero-temperature pressure investigating density distribution of a Bose-Einstein condensate - Shiozaki, R. F.; Caracanhas, M. A.; Rochin, V. Romero; Seman, J. A.; Roati, G.; Magalhães, Kilvia Mayre Farias; Bagnato, Vanderlei Salvador (International Laser Physics Workshop - LPHYS'10, 2010)