Search Results - "Kominis, Y."

Presence of temporal dynamical instabilities in topological insulator lasers by Longhi, S., Kominis, Y., Kovanis, V.

“…Topological insulator lasers are a newly introduced kind of lasers in which light snakes around a cavity without scattering. Like for an electron current in a…”
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Power dependent soliton location and stability in complex photonic structures by Kominis, Y, Hizanidis, K

“…The presence of spatial inhomogeneity in a nonlinear medium results in the breaking of the translational invariance of the underlying propagation equation. As…”
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Power-dependent reflection, transmission, and trapping dynamics of lattice solitons at interfaces by Kominis, Y, Hizanidis, K

“…Surface soliton formation and lattice soliton dynamics at an interface between two inhomogeneous periodic media are studied in terms of an effective particle…”
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Kinetic theory for distribution functions of wave-particle interactions in plasmas by Kominis, Y, Ram, A K, Hizanidis, K

“…The evolution of a charged particle distribution function under the influence of coherent electromagnetic waves in a plasma is determined from kinetic theory…”
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Breathers in a nonautonomous Toda lattice with pulsating coupling by Kominis, Y, Bountis, T, Hizanidis, K

“…We study a nonautonomous Toda lattice, with a periodically switched on-off coupling coefficient, describing a pulsating strength of neighbor particle…”
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Analytical solitary wave solutions of the nonlinear Kronig-Penney model in photonic structures by Kominis, Y

“…A phase space method is employed for the construction of analytical solitary wave solutions of the nonlinear Kronig-Penney model in a photonic structure. This…”
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Nonlinear theory of cyclotron resonant wave-particle interactions: Analytical results beyond the quasilinear approximation by Kominis, Y

“…Cyclotron resonant wave-particle interactions are studied in the context of Hamiltonian theory with utilization of Lie transform techniques. The canonical…”
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Transient dynamics of charged particles interacting with localized waves of continuous spectra by Kominis, Y, Hizanidis, K, Ram, A K

“…A modified canonical perturbation method is employed for analyzing the charged particle dynamics as they interact with localized waves with continuous…”
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Hamiltonian map description of electron dynamics in gyrotrons by Dumbrajs, O., Kominis, Y., Avramides, K.A., Hizanidis, K., Vomvoridis, J.L.

“…Electron dynamics in gyrotron resonators are described in terms of a Hamiltonian map. This map incorporates the dependency of electron dynamics on the…”
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Interaction of charged particles with localized electrostatic waves in a magnetized plasma by Kominis, Y, Ram, A K, Hizanidis, K

“…Charged particle interaction with localized wave packets in a magnetic field is formulated using the canonical perturbation theory and the Lie transform…”
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Publisher’s Note: Power-Dependent Reflection, Transmission, and Trapping Dynamics of Lattice Solitons at Interfaces [Phys. Rev. Lett. 102 , 133903 (2009)] by Kominis, Y., Hizanidis, K.

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Surface solitons in waveguide arrays: Analytical solutions by Kominis, Yannis, Papadopoulos, Aristeidis, Hizanidis, Kyriakos

“…A novel phase-space method is employed for the construction of analytical stationary solitary waves located at the interface between a periodic nonlinear…”
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Analytical calculation of the kinetic q factor and resonant response of toroidally confined plasmas by Antonenas, Y, Anastassiou, G, Kominis, Y

“…Symmetry-breaking perturbations in axisymmetric toroidal plasma configurations have a drastic impact on particle, energy, and momentum transport in fusion…”
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Continuous wave-controlled shape and chirp oscillations of optical solitons by Kominis, Yannis, Hizanidis, Kyriakos

“…Interactions between solitons and continuous waves (CW) are studied in terms of a perturbation method and systematic numerical simulations as well. The…”
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Scattering of radio frequency waves by edge density blobs and fluctuations in tokamak plasmas by Ram, A. K., Hizanidis, K., Tsironis, C., Kominis, Y., Zestanakis, P.

“…The density fluctuations and blobs present in the edge region of magnetic fusion devices can scatter radio frequency (RF) waves through refraction and…”
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Kinetic formulation of wave-particle interaction with coherent radio frequency waves by Kominis, Y., Papadopoulos, A., Hizanidis, K., Zestanakis, P., Ram, A. K.

“…Coherent radio-frequency (RF) waves are routinely used for heating the plasma and for controlling the current profile in fusion plasmas. In ITER-like settings…”
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Publisher's Note: Analytical solitary wave solutions of the nonlinear Kronig-Penney model in photonic structures [Phys. Rev. E 73, 066619 (2006)] by Kominis, Y.

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Presence of temporal dynamical instabilities in topological insulator lasers by Longhi, S, Kominis, Y, Kovanis, V

“…Topological insulator lasers are a newly introduced kind of lasers in which light snakes around a cavity without scattering. Like for an electron current in a…”
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Chaotic electron dynamics in gyrotron resonators by Kominis, Y., Dumbrajs, O., Avramides, K.A., Hizanidis, K., Vomvoridis, J.L.

“…Phase-space analysis of electron dynamics is used in combination with the canonical perturbation method and the KAM theory in order to study the dependence of…”
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Parametric control of self-sustained and self-modulated optomechanical oscillations by Christou, S, Kovanis, V, Giannakopoulos, A. E, Kominis, Y

“…Phys. Rev. A 103, 053513 (2021) Optomechanical systems are known to exhibit a rich set of complex dynamical features including various types of chaotic…”
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