Search for dissertations about: "plasma-waves"

Showing result 1 - 5 of 18 swedish dissertations containing the word plasma-waves.

  2. 1. Electrostatic plasma waves associated with collisionless magnetic reconnection : Spacecraft observations

    Author : Konrad Steinvall; Yuri Khotyaintsev; Daniel Graham; Andris Vaivads; Jonathan Rae; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Magnetic reconnection; Plasma waves; Electron holes; Solar wind; Magnetosphere; Magnetospheric Multiscale; Solar Orbiter; Fysik med inriktning mot rymd- och plasmafysik; Physics with specialization in Space and Plasma Physics;

    Abstract : Magnetic reconnection is a fundamental plasma process where changes in magnetic field topology result in explosive energy conversion, plasma mixing, heating, and energization. In geospace, magnetic reconnection couples the Earth’s magnetosphere to the solar wind plasma, enabling plasma transport across the magnetopause. READ MORE

  4. 2. Laser-Driven Plasma Waves for Particle Acceleration and X-ray Production

    Author : Guillaume Genoud; Atomfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Laser plasma acceleration of electrons and protons; laser-wakefield acceleration; plasma waves; plasma-wiggler radiation; betatron radiation; laser guiding; laser pointing stabilisation;

    Abstract : This thesis presents experimental results related to laser plasma accelerators. These rely on very different principles from conventional particle accelerators. READ MORE

  5. 3. A Simulation Approach to Plasma Waves

    Author : Etienne Koen; Tomas Karlsson; Ioannis Kourakis; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Electrostatic waves in the form of Broadband Electrostatic Noise (BEN) have been observed inthe Earth’s auroral region associated with high geomagnetic activity. Their broad frequencyspectrum consists of three electrostatic modes, namely electron plasma, electron acoustic andbeam-driven modes. READ MORE

  6. 4. A Simulation Approach to High-Frequency Plasma Waves

    Author : Etienne Koen; Tomas Karlsson; Orsolya Ferencz; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Electrostatic waves in the form of Broadband Electrostatic Noise (BEN) have been observed in the Earth's auroral region associated with high geomagnetic activity. This broad frequency spectrum consists of three electrostatic modes, namely electron plasma, electron acoustic and beam-driven modes. READ MORE

  7. 5. The importance of waves in space plasmas : Examples from the auroral region and the magnetopause

    Author : Gabriella Stenberg; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Space and plasma physics; Plasma waves; magnetospheric physics; magnetopause; auroral region; wave distribution function; space exploration; reconnection; current tubes; Rymd- och plasmafysik; Space physics; Rymdfysik; rymdfysik; Space Physics;

    Abstract : This thesis discusses the reasons for space exploration and space science. Space plasma physics is identified as an essential building block to understand the space environment and it is argued that observation and analysis of space plasma waves is an important approach.Space plasma waves are the main actors in many important processes. READ MORE