Search for dissertations about: "magnetic reconnection"

Showing result 1 - 5 of 18 swedish dissertations containing the words magnetic reconnection.

  1. 1. Magnetic Reconnection in Space Plasmas Cluster Spacecraft Observations

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Alessandro Retinò; Uppsala universitet.; [2007]
    Keywords : Space and plasma physics; space physics; plasma astrophysics; plasma physics; transport processes; boundary layers; magnetic reconnection; turbulence; particle acceleration; solar system; magnetospheres; Rymd- och plasmafysik;

    Abstract : Magnetic reconnection is a universal process occurring at boundaries between magnetized plasmas, where changes in the topology of the magnetic field lead to the transport of charged particles across the boundaries and to the conversion of electromagnetic energy into kinetic and thermal energy of the particles. Reconnection occurs in laboratory plasmas, in solar system plasmas and it is considered to play a key role in many other space environments such as magnetized stars and accretion disks around stars and planets under formation. READ MORE

  2. 2. Electron-scale physics in space plasma Thin boundaries and magnetic reconnection

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Cecilia Norgren; Uppsala universitet.; Uppsala universitet.; [2016]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Most of the observable Universe consists of plasma, a kind of ionized gas that interacts with electric and magnetic fields. Large volumes of space are filled with relatively uniform plasmas that convect with the magnetic field. READ MORE

  3. 3. 3D Magnetic Nulls and Regions of Strong Current in the Earth's Magnetosphere

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Elin Eriksson; Uppsala universitet.; Uppsala universitet.; [2016]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Magnetic Nulls; Particle Acceleration; Current sheets; Magnetic reconnection; Magnetosphere; Fysik med inriktning mot rymd- och plasmafysik; Physics with specialization in Space and Plasma Physics;

    Abstract : Plasma, a gas of charged particles exhibiting collective behaviour, can be found everywhere in our vast Universe. The characteristics of plasma in very distant parts of the Universe can be similar to characteristics in our solar system and near-Earth space. READ MORE

  4. 4. Energy Transfer and Conversion in the Magnetosphere-Ionosphere System

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Lisa Rosenqvist; Uppsala universitet.; [2008]
    Keywords : Space and plasma physics; solar system; space physics; magnetospheric physics; plasma physics; magnetic storms; substorms; boundary layers; magnetic reconnection; energy conversion; space weather; Rymd- och plasmafysik;

    Abstract : Magnetized planets, such as Earth, are strongly influenced by the solar wind. The Sun is very dynamic, releasing varying amounts of energy, resulting in a fluctuating energy and momentum exchange between the solar wind and planetary magnetospheres. READ MORE

  5. 5. Electron energization in near-Earth space Studies of kinetic scales using multi-spacecraft data

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Elin Eriksson; Uppsala universitet.; Uppsala universitet.; [2018]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; magnetic reconnection; electron acceleration; electron heating; magnetosheath; magnetotail; magnetic nulls; Cluster; Magnetospheric MultiScale; Fysik med inriktning mot rymd- och plasmafysik; Physics with specialization in Space and Plasma Physics;

    Abstract : Plasma, a gas of charged particles exhibiting collective behavior, is everywhere in the Universe. The heating of plasma to millions of degrees and acceleration of charged particles to very high energies has been observed in many astrophysical environments. How and where the heating and acceleration occur is in many cases unclear. READ MORE