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parametric instabilities

Suppression of parametric instabilities in inhomogeneous plasma with multi-frequency light

Suppression of parametric instabilities in inhomogeneous plasma with multi-frequency light

... the parametric instabilities for the two beamlets develop indepen- dently and can be controlled at a low level provided the laser intensity for individual beamlet is low ...of parametric ...

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Parametric instabilities in inhomogenous plasmas

Parametric instabilities in inhomogenous plasmas

... of parametric instabilities we shall discuss both the linear and non-linear development of these gjffects in a variety of pertinent situations, all approximating ...

131

Effects of relativistic electron temperature on parametric instabilities for intense laser propagation in underdense plasma

Effects of relativistic electron temperature on parametric instabilities for intense laser propagation in underdense plasma

... the instabilities can be suppressed signifi- cantly by hot electron ...the parametric instabilities can develop rapidly and the plasma electrons can be heated to relativistic high ...the ...

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Effective suppression of parametric instabilities with decoupled broadband lasers in plasma

Effective suppression of parametric instabilities with decoupled broadband lasers in plasma

... other parametric instabilities for ICF applications, such as the suppression of two-plasmon decay (TPD) ...via parametric amplification in nonlinear crystals 36 ...

8

On Kelvin–Helmholtz and parametric instabilities driven by coronal waves

On Kelvin–Helmholtz and parametric instabilities driven by coronal waves

... two instabilities may have interesting con- sequences for the potential development of turbulence in the system under ...of parametric instabilities also has a connection to MHD turbulence, since the ...

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Parametric instabilities of circularly polarized small-amplitude Alfvén waves in Hall plasmas

Parametric instabilities of circularly polarized small-amplitude Alfvén waves in Hall plasmas

... the parametric instabilities of pump waves in multi-component and dusty ...the instabilities of pump waves in a relativistic electron–positron ...convective instabilities of pump waves in the ...

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Hf pump induced parametric instabilities in the auroral E region

Hf pump induced parametric instabilities in the auroral E region

... At the high latitude European Incoherent Scatter (EISCAT) site near Tromsø, Norway, high frequency (HF) experiments involving the excitation of plasma instabilities using O-mode transmissions have been done mainly ...

6

Näger, Jakob
  

(2019):


	Parametric instabilities of interacting bosons in driven optical lattices.


Dissertation, LMU München: Fakultät für Physik

Näger, Jakob (2019): Parametric instabilities of interacting bosons in driven optical lattices. Dissertation, LMU München: Fakultät für Physik

... distribution in that direction. That way, we unveiled the destructive role of the transverse degrees of freedom for the lifetime of the BEC, as it is reasonable to assume that the coher- ent exponential growth of ...

162

Effects of asymmetric stiffness on parametric instabilities of rotor

Effects of asymmetric stiffness on parametric instabilities of rotor

... series of parameter variation studies are performed. The dynamic behaviour of such rotor-motor system is governed by the rotor mass, shaft stiffness, internal/external damping, excitation frequency and bearing ...

10

Non-linear evolution of the tidal elliptical instability in gaseous planets and stars

Non-linear evolution of the tidal elliptical instability in gaseous planets and stars

... through instabilities of the equilibrium tidal ...to parametric instabilities, the resulting growth of small-scale internal waves and their saturation by secondary instabilities could result ...

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Relativistic x-ray free-electron lasers in the quantum regime

Relativistic x-ray free-electron lasers in the quantum regime

... We present a nonlinear theory for relativistic x-ray free-electron lasers in the quantum regime, using a collective Klein-Gordon (KG) equation (for relativistic electrons), which is coupled with the Maxwell-Poisson ...

5

Thermal and resistive instabilities in the solar atmosphere

Thermal and resistive instabilities in the solar atmosphere

... (2) Rippling Mode In the rippling mode the circulatory motion of the fluid creates a ridge of lower-resistivity fluid into which the local current is channeled. If we were using an energy equation instead of (1.52), the ...

274

Viscoelastic instabilities in microscale flows

Viscoelastic instabilities in microscale flows

... flow instabilities. These instabilities offer an alternative to the development of systems requiring unstable flows under conditions where chaotic advection is ...flow instabilities occur in regions in ...

51

Instabilities in tensorial nonlocal gravity

Instabilities in tensorial nonlocal gravity

... the instabilities associated to tensorial nonlocalities should instead be addressed in the framework of local field theories by considering mecha- nisms able to generate well-behaved nonlocal actions in the ...

8

Accuracy of quasicontinuum approximations near instabilities

Accuracy of quasicontinuum approximations near instabilities

... An important application of atomistic-to-continuum coupling methods is the study of the quasistatic deformation of a crystal in order to model instabilities such as dislocation formation during nanoindentation, ...

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Magnitude-frequency of sea cliff instabilities

Magnitude-frequency of sea cliff instabilities

... The regional scale data sets (Table 1, Fig. 1) cover the whole rock cliffs of the western and southern coast of Al- garve, divided according to the main geological units, which include weak Miocene calcarenites, ...

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On Parametric (and Non-Parametric) Variation

On Parametric (and Non-Parametric) Variation

... Whichever position is correct, we take our first criterion to be that variants licensed by parametric choice must be cognitively represented. To make clear what motivates this condition, consider by contrast ...

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Three-dimensional Fluid-Structure Interaction Analysis for Bridge Aeroelasticity

Three-dimensional Fluid-Structure Interaction Analysis for Bridge Aeroelasticity

... As the CSD-CFD coupled model, the beam model was used with increased wind velocities as well. At the speed of 10.0 m/s it also showed flutter-like condition. This means that for this bridge model the critical wind speed ...

6

Symmetry-breaking instabilities of convection in squares

Symmetry-breaking instabilities of convection in squares

... Convection in an innite uid layer is often modelled by considering a nite box with periodic boundary conditions in the two horizontal directions. The translational in- variance of the problem implies that any solution ...

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Symmetry-breaking instabilities of convection in squares

Symmetry-breaking instabilities of convection in squares

... Convection in an infinite fluid layer is often modelled by considering a finite box with periodic boundary conditions in the two horizontal directions. The translational invariance of the problem implies that any ...

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