Mietek Lisak

Interactions of electromagnetic radiation with Bose-Einstein condensates: Manipulating ultra-cold atoms with light

Energetic particle instabilities in fusion plasmas

2013

Preliminary results on the Multipactor effect prediction in RF components with ferrites

2012

Reduction of the Multipactor Threshold Due to Electron Cyclotron Resonance

2012

Microwave breakdown due to heating of an irradiated metal sphere

2012

Toward a wave turbulence formulation of statistical nonlinear optics

2012

Integrability and Conservation Laws for the Nonlinear Evolution Equations of Partially Coherent Waves in Noninstantaneous Kerr Media

Experimental validation of fringing field effects for the multipactor phenomenon

Numerical simulation of the multipactor in septum polarizers

A comparison between experiments and numerical simulations of multipactor in coaxial waveguides

2011

On the thermal balance of a small spherical microwave breakdown region in atmospheric Air

Nonlinear Evolution of Fast Ion Driven Modes at Mariginal Stability in Tokamak Plasmas

Highlights of the fringing field effects at C-band on waveguide components

2011

On wave-particle interaction in axisymmetric toroidal systems

Experimental study of the single-surface poly-phase multipactor on a metal plate

Can intentional electrical discharges be used for HPM protection?

Steady-state and bursting nonlinear scenarios of beam driven waves on MAST: experiment and theory

2011

Study of the multipactor avalanche in two-wire transmission line

2011

Generalized dressing method for nonlinear evolution equations describing partially coherent wave propagation in noninstantaneous Kerr media

2011

Multipactor and corona breakdown in inhomogeneous microwave fields

2011

The nonlinear evolution of a small spherical microwave breakdown in air

2011

Simulations of Multipactor Breakdown Between Two Cylinders

Simplified models for the nonlinear evolution of two fast-particle-driven modes near the linear stability threshold

2011

Co-propagating Bose-Einstein condensates and electromagnetic radiation: Emission of mutually localized structures

2011

Microwave corona breakdown around helix antennas in air

2011

Nonlinear evolution of two fast-particle-driven modes near the linear stability threshold

On the wave amplitude blow-up in the Berk–Breizman model for nonlinear evolution of a plasma wave driven resonantly by fast ions

Multihump soliton-like structures in interactions of lasers and Bose-Einstein condensates

Influence of microwave field polarization on the multipactor threshold in circular waveguides

2011

Microwave multipactor in open two-wire transmission systems

2011

Summary of Research Activities on Microwave Discharge Phenomena involving Chalmers (Sweden), Institute of Applied Physics (Russia) and CNES (France)

Self-similar collapse and blow up of laser beams in nonlinear Kerr media-Revisited

2011

Microwave multipactor breakdown in helix antennas, theory and simulations

Experimental study and numerical simulations of the multipactor discharge inside hollow and coaxial waveguides

Overview of physics results from MAST

2010

Microwave breakdown in space borne rf equipment

Multipactor in Microwave Transmission Systems Using Quadrature Phase-Shift Keying

2010

Radiative Damping of Low Shear Toroidal Alfvén Eigenmodes

Quasi-Linear Evolution and Saturation of the Modulational Instability of Partially Coherent Optical Waves

Nonlinear evolution of beam driven waves on MAST

On the microwave breakdown stability of a spherical hot spot in air

2010

Simulations of multipactor in circular waveguides

Co-propagating Bose-Einstein condensates and electromagnetic radiation: formation of mutually localized structures

Alfvén Waves in Tokamaks

2010

Interacting laser and Bose-Einstein-condensate atomic beams: Mutual guiding structures

Experimental and numerical investigation of multipactor discharges in a coaxial waveguide

2010

Thermal Stability of a Plasma in a Homogeneous Microwave Field in Air

2010

Influence of secondary emission yield on the saturation properties of multipactor discharges between two parallel metal plates

Galerkin approach to approximate solutions of some nonlinear oscillator equations

2010

Multipactor breakdown in open two-wire transmission lines

Collisional Nonlinear Energetic Particle Modes

Electrical breakdown in space-borne microwave equipment

Microwave multipactor breakdown between two cylinders

Collective fast ion effects in tokamaks

Soliton interaction in logarithmically saturable media

Propagation of Partially Coherent Light in Nonlinear Media

Propagation of partially coherent solitons in saturable logarithmic media: A comparative analysis

2009

Spreading of collimated particle beams within a generalized Fokker-Planck diffusion equation

Microwave breakdown in a gas-filled rectangular resonator cavity

On Wave-Particle Interaction in Axisymmetric Toroidal Systems

Microwave Corona Breakdown in rf Devices

Importance of reflection of low energy electrons on multipactor susceptibility diagrams for narrow gaps

2009

Fast Ion Driven Alfvén Eigenmodes within the q=1 Radius

Gas breakdown in inhomogenous microwave electric fields

2009

Alfvénic Eigenmodes within the q=1 Radius in Sawtoothing Plasmas

Multipactor breakdown in waveguide irises

Microwave Corona Breakdown in Strongly Inhomogeneous Fields

Mechanical analogy of the nonlinear dynamics of a driven unstable mode near marginal stability

Simulations of multipactor thresholds in shielded microstrip lines

Propagation of partially coherent light beams with parabolic intensity distribution in noninstantaneous nonlinear Kerr media

Magnetic field threshold for runaway generation in tokamak disruptions

Statistical theory of multipactor discharges between two parallel plates with different emission properties

Extreme nonlinear optics in a Kerr medium: Exact soliton solutions for a few cycles

Mathematical basis for analysis of partially coherent wave propagation in nonlinear, non-instantaneous Kerr media

The multipactor effect in hollow waveguides with rectangular and wedge shaped cross section - a comparison

Parabolic similarity solutions of the Nonlinear Schrödinger and Wigner-Moyal equations

Multipactor in QPSK-modulated carriers

Different saturation regimes of multipactor between parallel metal plates

Influence of secondary emission yield on the saturation of two-sided multipactor

Simulations of multipactor in micro-strip lines

Simulations of the multipactor effect in hollow waveguides with wedge-shaped cross section

Analytical description of the multipactor inside narrow waveguide iris

Influence of the wave guide cross section on the multipactor threshold

Conformal mapping analysis of multipactor breakdown in waveguide irises

Eigenvalues of the Zakharov-Shabat scattering problem for two separated sech-shaped pulses

The optimal journey from A to B

Quasi-linear analysis of whistler waves driven by relativistic runaway beams in tokamaks

Influence of electron reflection on the threshold for multipactor between two parallel plates

Metal-dielectric interface as a low-threshold microwave discharge initiation in waveguides and in free space

Nonlinear Schrödinger solitons with non-zero velocities emerging from real symmetric initial conditions

Polyphase (non-resonant) multipactor in rectangular waveguides

Study of multipactor in waveguide irises

Experiments on polyphase (nonresonant) multipactor in a rectangular wave guide

Interaction between two partially incoherent soliton stripes

Nonlinear Schrödinger Solitons with non-zero velocities emerging from real symmetric initial conditions

Quasilinear evolution and saturation of the modulational instability of partially coherent optical waves

Diffusion of super-Gaussian profiles

Multipactor in a coaxial transmission line. I. Analytical study

Bidirectional tornado modes on the Joint European Torus

Multipactor in rectangular waveguides

On precursor propagation in linear dielectrics

Analysis of the dynamics of high intensity Gaussian laser beams in nonlinear de-focusing Kerr media

Multipactor in a coaxial transmission line. II. Particle-in-cell simulations

Multipactor in a Waveguide Iris

Microwave Corona Breakdown Around Metal Corners and Wedges

Evolution of optical pulses towards wave breaking in highly nonlinear fibres

Tokamak current driven by poloidally asymmetric fueling

Microwave Breakdown in RF Devices Containing Sharp Corners

Runaway electrons and the evolution of the plasma current in tokamak disruptions

Microwave breakdown field in a spherical resonant cavity

Non-linearly driven second harmonics of Alfvén cascades

Investigations of time delays in microwave breakdown initiation

On the effective diffusion length for microwave breakdown

Destabilization of magnetosonic-whistler waves by a relativistic runaway beam

How the coherent instabilities of an intense high energy charged particle beam in the presence of nonlocal effects can be explained within the context of the Madelung fluid description

Runaway electrons and the evolution of the plasma current in tokamak disruptions

Relativistic electron distribution function of a plasma in a near-critical electric field

Microwave breakdown in RF devices

Destabilization of magnetosonic-whistler waves by a relativistic runaway beam

Relativistic electron distribution function of a plasma in a near-critical electric field

Destabilization of magnetosonic-whistler waves by a relativistic runaway beam

Tokamak current driven by poloidally asymmetric fueling

Microwave breakdown of the TE11 mode in a circular wave guide

Multipactor inside a Coaxial Line

Microwave breakdown in low pressure gas

Detection of multipaction using AM signals

Formation of Bose-Einstein condensate structures in laser fields; semiclassical approach and electrodynamic effects

Electron Multipacting on rf Windows in the Absence of Static Electric and Magnetic Fields

Multipactor discharge on a dielectric surface: statistical theory and simulations

Summary of Research Activities on Microwave Discharge Phenomena involving Chalmers (Sweden), Institute of Applied Physics (Russia) and CNES (France)

Summary of Research Activities on Multipactor phenomenon with dielectric materials within INTAS project

Statistical analysis of the time delays in microwave breakdown initiation

The Brachistochrone problem – an introduction to variational calculus for under graduate students

Multiphase regimes of single-surface multipactor

Non-linearly driven second harmonics of Alfvén Cascades

Multi-Phase Regimes of Multipactor Breakdown

Effect of emission velocity spread of secondary electrons in two-sided multipactor

A conceptual study of commercial fusion power plants, EFDA-RP-RE-5.0

Fast electron bremsstrahlung in low density, grassy sawtoothing plasmas on JET

Non-local effects in high-energy charged particle beams

Current dynamics during disruptions in large tokamaks

Relation between differential formalisms describing partially incoherent wave propagation in nonlinear optical media

Microwave breakdown in slots

Improved model for multipactor in low pressure gas

Variational approach to the Thomas-Fermi equation

A kinetic description neutrino--anti-neutrino interactions

Modulational instabilities of partially incoherent light

Effect of partial incoherence on modulational instability of two non-linearly interacting optical waves

On the effective diffusion length for microwave breakdown

Features of modulational instability of partially coherent light: Importance of the incoherence spectrum

Slowing down Dynamics of fast Particles in Plasmas via the Fokker-Planck Equation

Localization of compressional Alfvén eigenmodes in spherical tori

Localization of fast magnetosonic eigenmodes in spherical tori

Effects on Backscattering on One-Dimensional Electron Beam Transport

Approximate solutions of two-way diffusion equations

Pump-probe collision in optical fibers: Four-wave-mixing induced frequency jump

The radial and poloidal localization of fast magnetoacoustic eigenmodes in tokamaks

Four-wave mixing of femtosecond pump-probe pulses in optical fibers

Ion cyclotron emission from fusion products and beam ions in the Tokamak Fusion Test Reactor

Localized fast magnetoacoustic eigenmodes in tokamak plasmas

The radial and poloidal localization of fast magnetoacoustic eigenmodes in tokamaks

Electron beam transport - revisited

Edge localized fast magnetoacoustic waves in a tokamak plasma with elliptic cross section

Analysis of profile effects on high Q subignited tokamak fusion plasmas

Origin of ion cyclotron emission in tokamaks

Self-phase modulation in dispersion compensated optical fibre transmission systems

Novel mechanism of ion cyclotron emission in tokamaks

Finite orbit width stabilizing effect on toroidal Alfvén eigenmodes excited by passing and trapped energetic ions

A variational approach to optical soliton collisions

Wave-breaking-free pulses in nonlinear-optical fibers

Modulational instability dynamics in a spatial focusing and temporal defocusing medium.

Dynamic effects of Kerr nonlinearity and spatial diffraction on self-phase modulation of optical pulses.