RT - Journal Article T1 - Collapse of Electromagnetic Waves in Plasmas JF - opsi YR - 2014 JO - opsi VO - 20 IS - 0 UR - http://opsi.ir/article-1-425-en.html SP - 1065 EP - 1068 K1 - Electromagnetic Waves K1 - Unmagnetized Plasmas K1 - Wave Collapse AB - A reductive perturbation method is used to reduce the system of Maxwell- Fluid equations into a single three-dimensional nonlinear Schrodinger equation describing the evolution of amplitude of vector potential in an unmagnetized collisionless cold plasma. Relying on this model the possibility of occurrence of collapse phenomena for Gaussian as well as sech-shaped electromagnetic pulse is addressed. LA eng UL http://opsi.ir/article-1-425-en.html M3 ER -