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BK

První vydání

Praha : Matfyzpress, 2014

161 stran : ilustrace (některé barevné) ; 24 cm

ISBN 978-80-7378-281-8 (brožováno)

Nad názvem: Matematicko-fyzikální fakulta, Univerzita Karlova v Praze

Obsahuje bibliografii a bibliografické odkazy

001658808

1 Preface 7 // 2 Basic concepts and equations 8 // 2.1 Debye shielding 8 // 2.2 Plasma oscillations 9 // 2.3 Equations describing plasma processes 10 // 2.3.1 Kinetic description 10 // 2.3.2 Fokker-Planck equation 11 // 2.4 Magnetohydrodynamic description 12 // 2.4.1 MHD equations 13 // 2.5 Collisional and anomalous electrical resistivity 15 // 2.6 Induction equation 16 // 2.6.1 Approximations of the induction equation 16 // 3 Magnetic field structures 18 // 3.1 Gravitational stratification 18 // 3.2 Magnetic flux tubes 19 // 3.3 Magnetic arcade 23 // 3.4 Magnetic rope - current-carrying loop 24 // 4 Magnetic field extrapolation and connectivity of magnetic field // lines 31 // 4.1 The B and j descriptions of plasma processes 31 // 4.2 Extrapolated magnetic field structures 32 // 4.3 Connectivity and quasi-separatrix layers 33 // 5 Magnetohydrodynamic waves 36 // 5.1 Basic equations 36 // 5.2 Sound waves 37 // 5.3 Alfvén waves 38 // 5.4 Magnetoacoustic waves 38 // 6. Magnetic field reconnection 41 // 6.1 Diffusion in the current sheet 41 // 6.2 Concept of frozen flux and field-line motion 42 // 6.3 Advection of magnetic field lines 44 // 6.4 Stagnation-point flow model 46 // 6.5 Steady reconnection 47 // 6.5.1 Formation of a current sheet 48 // 6.5.2 Sweet-Parker model 51 // 6.5.3 Petschek model 54 // 6.6 Tearing mode 56 // 6.6.1 2-D MHD simulation of the reconnection triggered by the resistivity enhancement 57 // 6.6.2 2-D MHD simulation of the reconnection in an extended vertical // current sheet 58 // 6.9 Magnetic reconnection in kinetic description 62 // 6.10 Reconnection in three dimensions 64 // 6.10.1 3-D null points G4 // 6.10.2 Spine and fan reconnection 65 // 6.11 Triggering of the magnetic reconnection 66 // 6.12 Cyclic reconnection 69 // 7 Helicity 70 // 7.1 Helicity conservation 70 // 7.2 Gauge transformation of helicity 71 // 7.3 Relative helicity 72 //

7.4 Formulas for helicity computation 73 // 8 Introduction to numerical solutions of the magnetohydrodynamic // equations 74 // 8.1 Example of transcription of differential equation into difference equation 74 // 8.2 Examples of some simple numerical schemes and their stability analysis 75 // 8.2.1 Lax scheme 76 // 8.2.2 Lax-Wendroff scheme 76 // 8.2.3 Some other schemes 77 // 8.3 Conservative form of MHD equations 77 // 8.4 Example of initial and boundary conditions 79 // 9 Plasma emission processes 80 // 9.1 Waves in plasmas 80 // 9.1.1 Wave equation 80 // 9.1.2 The dispersion equation of linear waves 82 // 9.1.3 Polarization vectors 83 // 9.1.4 Energetics in the waves 83 // 9.1.5 Specific wave modes 85 // 9.2 Spontaneous emission 87 // 9.2.1 Energy radiated by an extraneous current 87 // 9.3 Plasma emission mechanism 89 // 9.4 Weak turbulence theory 90 // 9.4.1 Quasi-linear theory 91 // 9.5 Coherent processes 96 // 9.5.1 Strong wave turbulence 96 // 9.6 Numerical simulations of the conversion of Langmuir waves into electromagnetic (radio) waves during merging of plasmoids 99 // 10 Particle acceleration 100 // 10.1 Basic particle motion 100 // 10.2 Acceleration in electric fields parallel to the magnetic field. 101 // 10.2.1 Double layers 102 // 10.3 Betatron acceleration // 10.4 Stochastic acceleration // 10.5 Shock-drift acceleration 105 // 11 Beams and two-etream instability 109 // 11.1 Beams in the solar atmosphere 109 // 11.2 Two-stream instability 109 // 11.2.1 Dispersion equation 110 // 11.2.2 Oscillations in homogenous plasma 110 // 11.2.3 Electromagnetic waves in homogenous plasma 111 // 11.2.4 Dispersion equation for plasma with moving components 111 // 11.3 Beam instabilities 112 // 11.3.1 Instability of two counter-streaming beams 112 // 11.3.2 Beam-plasma instability 113 // 11.3.3 Buneman instability 115 // 11.3.4 Kinetic beam instability 115 //

12 Numerical particle code 116 // 12.1 Integration of the equations of particle motion 117 // 12.2 Integration of the field equations 120 // 12.3 Weighting procedures 121 // 12.4 Initial state 122 // 12.5 Diagnostics 122 // 13 Solar radio bursts 124 // 13.1 Clasification of solar radio bursts 125 // 13.1.1 Type I radio bursts - noise storm 125 // 13.1.2 Type II radio bursts 126 // 13 1.3 Type III radio bursts 127 // 13.1.4 Type IV or continuum bursts 128 // 13.1.5 Type V radio bursts 129 // 13.2 Drifting pulsating structures (DPSs) 129 // 13.3 Narrowband dm-spikes 130 // 13.4 Fiber bursts 131 // 13.5 Zebra patterns 131 // 14 Solar flares 133 // 14.1 Standard solar flare model 133 // 14.1.1 Mapping of the magnetic reconnection on the solar chromosphere 136 // 14.1.2 Sunquakes 137 // 14.2 Magnetic-rope type flares 138 // 14.3 Superflares 139 // 15 Response of dense chromospheric layers to electron beam bombardent 142 // 15.1 Non thermal X-ray emission 142 // 15.2 Return current 143 // 15.2.1 Return current losses in pulse beam heating of the solar atmosphere 144 // 16 New trends in the solar flare theory 146 // 16.1 Model of fragmented magnetic reconnection 146 // 16.2 Successive merging of plasmoids 148 // 17 Acknowledgements 150 // 18 Appendix 157 // 18.1 Physical Constants 157 // 18.2 Plasma Parameters 157 // 18.3 Vector Operations and Relations 158 // 18.3.1 Orthogonal coordinates 159 // 18.3.2 Cylindrical coordinates 159 // 18.3.3 Spherical coordinates 159 // 18.4 Fourier transform of differential operators 160 // 18.5 Basic plasma waves 161

(OCoLC)904579242

cnb002652156