Инд. авторы:	Perego A.M., Tarasov N., Churkin D.V., Turitsyn S.K., Staliunas K.
Заглавие:	Pattern Generation by Dissipative Parametric Instability
Библ. ссылка:	Perego A.M., Tarasov N., Churkin D.V., Turitsyn S.K., Staliunas K. Pattern Generation by Dissipative Parametric Instability // Physical Review Letters. - 2016. - Vol.116. - Iss. 2. - Art.e028701. - ISSN 0031-9007. - EISSN 1079-7114.
Внешние системы:	DOI: 10.1103/PhysRevLett.116.028701; РИНЦ: 27043025; PubMed: 26824573; SCOPUS: 2-s2.0-84954482587; WoS: 000368281600008;
Реферат:	eng: Nonlinear instabilities are responsible for spontaneous pattern formation in a vast number of natural and engineered systems, ranging from biology to galaxy buildup. We propose a new instability mechanism leading to pattern formation in spatially extended nonlinear systems, which is based on a periodic antiphase modulation of spectrally dependent losses arranged in a zigzag way: an effective filtering is imposed at symmetrically located wave numbers k and -k in alternating order. The properties of the dissipative parametric instability differ from the features of both key classical concepts of modulation instabilities, i.e., the Benjamin-Feir instability and the Faraday instabiltyity. We demonstrate how the dissipative parametric instability can lead to the formation of stable patterns in one- and two-dimensional systems. The proposed instability mechanism is generic and can naturally occur or can be implemented in various physical systems. © 2016 American Physical Society.
Ключевые слова:	Two-dimensional systems; Spontaneous pattern formation; Pattern Generation; Parametric instabilities; Nonlinear instability; Modulation instabilities; Instability mechanisms; Benjamin-Feir instabilities; Modulation; Stability;
Издано:	2016
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