TY - JOUR T1 - Controlling the quantum phase transition of a trapped Bose-Einstein condensate inside an optical cavity TT - کنترل گذار فاز کوانتومی یک چگالیده‌ی بوز-اینشتین به دام افتاده در داخل یک کاواک اپتیکی JF - opsi JO - opsi VL - 21 IS - 0 UR - http://opsi.ir/article-1-514-en.html Y1 - 2015 SP - 1065 EP - 1068 KW - BEC KW - optical lattice KW - quantum phase transition N2 - - In this paper we investigate the nonlinear effect of atomic collisions on the threshold of quantum phase transition in a system consisting of a Bose-Einstein condensate trapped inside an optical cavity in which the atoms are pumped optically form a direction perpendicular to the cavity axis. We show that by manipulating the atomic interaction strength, one can control the critical point of the phase transition. M3 ER -