Excitation of bright and dark envelope solitons for magnetostatic waves with attractive nonlinearity

Scott, Mark M.; Kostylev, Mikhail; Kalinikos, B. A.; Patton, Carl E.

doi:10.1103/physrevb.71.174440

Cited by 49 publications

(46 citation statements)

References 13 publications

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“…27 for spin waves in the time domain. In this work, it was shown that a time-domain standing wave formed by two spin waves can evolve into a sequence of dark solitons with increasing spin-wave amplitude.…”

Section: Methodsmentioning

confidence: 99%

Nonlinear mode conversion in monodomain magnetic squares

Kostylev

Demidov²,

Hansen³

et al. 2007

Phys. Rev. B

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Modifications of spatial distributions of dynamic magnetization corresponding to spinwave eigenmodes of magnetic squares subjected to a strong microwave excitation field have been studied experimentally and theoretically. We show that an increase of the excitation power leads to a nonlinear generation of long-wavelength spatial harmonics caused by the nonlinear cross coupling between the eigenmodes. The analysis of the experimental data shows that this process is mainly governed by the action of the nonlinear spin-wave damping. This conclusion is further supported by the numerical calculations based on the complex Ginzburg-Landau equation phenomenologically taking into account the nonlinear damping.Comment: 23 pages, 6 figure

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Section: Methodsmentioning

confidence: 99%

Nonlinear mode conversion in monodomain magnetic squares

Kostylev

Demidov²,

Hansen³

et al. 2007

Phys. Rev. B

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“…[28][29][30] As a fingerprint of this nonlinear damping one should find a broadening of the resonant peak and a saturation of its amplitude at large excitation powers. The latter behavior is characterized by Fig.…”

Section: Nonlinear Modesmentioning

confidence: 98%

Linear and nonlinear collective modes in magnetic microstructures formed by coupled disks

Ulrichs¹,

Demidov²,

Demokritov³

et al. 2011

Phys. Rev. B

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We have experimentally studied the collective spin-wave modes in microscopic magnetic structures formed by Permalloy disks, connected to each other by nanobridges. By using Brillouin light-scattering spectroscopy, we were able clearly to identify in-phase and out-of-phase modes and investigate their characteristics over wide intervals of the static magnetic field and the strength of the excitation signal. Our results show that the main characteristics of the modes are practically independent of the static field and the geometry of bridges, but are significantly affected by the nonlinearity.

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“…Two di¤erent types of envelope solitons, dark optical (topological) and bright optical (nontopological) soliton solution, can propagate in nonlinear dispersive media. Compared with the bright soliton which is a pulse on a zero-intensity background, the dark soliton appears as an intensity dip in an in…nitely extended constant background [18].…”

Section: Introductionmentioning

confidence: 99%