نوع مقاله : مقاله پژوهشی
نویسندگان
بخش فیزیک، دانشکده علوم، دانشگاه شیراز، شیراز
کلیدواژهها
عنوان مقاله English
نویسندگان English
Pairing fields can lead to the emergence of new phenomena. In the classical fields and nonlinear systems, a lot of research has been done on the solitary and soliton solutions of these systems. In the literature, usually, we see the coupling of two ϕ^4 systems, or two sine-Gordon systems. The sine-Gordon system has various solutions, all of which are well-behaved, and its soliton solutions are well known. On the other hand, the ϕ^4 system, which is very important in field theory, has solitary solutions, but no soliton solutions. For example, a bound solution cannot be made from a pair of kink and anti-kink; or these two solutions will not survive after collision, and will be destroyed. In this research, we couple a ϕ^4 system to a sine-Gordon system, in order to extend the stability from the sine-Gordon system to the ϕ^4 system. We have shown that , for a coupled ϕ^4 and sine-Gordon system, this expectation is partially fulfilled.
کلیدواژهها English
