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Просмотр Mathematics по автору "Bountis, Tassos"
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Antonopoulos, Chris G.; Skokos, Charalampos; Bountis, Tassos; Flach, Sergej
(Chaos, Solitons & Fractals, 2017-11-01)
Abstract In the study of subdiffusive wave-packet spreading in disordered Klein–Gordon (KG) nonlinear lattices, a central open question is whether the motion continues to be chaotic despite decreasing densities, or tends ...
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Kominis, Yannis; Kovanis, Vassilios; Bountis, Tassos
(Physical Review, 2017-10-16)
Coupled semiconductor lasers are systems possessing complex dynamics that are interesting for numerous applications in photonics. In this work, we investigate the existence and the stability of asymmetric phase-locked ...
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Bountis, Tassos; Vanhaecke, Pol
(Physics Letters A, 2016-12-09)
Abstract We use a strong version of the Painlevé property to discover and characterize a new class of n-dimensional Hamiltonian Lotka–Volterra systems, which turn out to be Liouville integrable as well as superintegrable. ...
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Kominis, Yannis; Kovanis, Vassilios; Bountis, Tassos
(ArXiv, 2017-10-04)
The fundamental active photonic dimer consisting of two coupled quantum well lasers is inves-tigated in the context of the rate equation model. Spectral transition properties and exceptional points are shown to occur under ...
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Kominis, Yannis; Bountis, Tassos; Flach, Sergej
(ArXiv, 2017-06-23)
We analyze the stability of a non-Hermitian coupler with respect to modulational inhomogeneous perturbations in the presence of unbalanced gain and loss. At the parity-time (PT) symmetry point the coupler is unstable. ...
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Kominis, Yannis; Bountis, Tassos; Flach, Sergej
(Scientific Reports, 2016-09-19)
We consider the asymmetric active coupler (AAC) consisting of two coupled dissimilar waveguides with gain and loss. We show that under generic conditions, not restricted by parity-time symmetry, there exist finite-power, ...
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