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Artículo
PT-symmetry management in oligomer systems
Autor/es | Horne, Rudy L.
Cuevas-Maraver, Jesús Kevrekidis, Panayotis G. Whitaker, Nathaniel Abdullaev, Fatkhulla Kh. Frantzeskakis, Dimitri J. |
Departamento | Universidad de Sevilla. Departamento de Física Aplicada I |
Fecha de publicación | 2013 |
Fecha de depósito | 2015-05-18 |
Publicado en |
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Resumen | We study the effects of management of the PT-symmetric part of the potential within the setting of Schrödinger dimer and trimer oligomer systems. This is done by rapidly modulating in time the gain/loss profile. This gives ... We study the effects of management of the PT-symmetric part of the potential within the setting of Schrödinger dimer and trimer oligomer systems. This is done by rapidly modulating in time the gain/loss profile. This gives rise to a number of interesting properties of the system, which are explored at the level of an averaged equation approach. Remarkably, this rapid modulation provides for a controllable expansion of the region of exact PT-symmetry, depending on the strength and frequency of the imposed modulation. The resulting averaged models are analysed theoretically and their exact stationary solutions are translated into time-periodic solutions through the averaging reduction. These are, in turn, compared with the exact periodic solutions of the full non-autonomous PT-symmetry managed problem and very good agreement is found between the two |
Agencias financiadoras | Ministerio de Ciencia e Innovación (MICIN). España |
Ficheros | Tamaño | Formato | Ver | Descripción |
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JPA_Cuevas_2013_PT-symmetry_pr ... | 1.299Mb | [PDF] | Ver/ | |