Search for dissertations about: "electron correlation"
Showing result 11 - 15 of 275 swedish dissertations containing the words electron correlation.
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11. Spectroscopic studies of the negative state of atoms
Abstract : Negative ions are of fundamental interest in atomic physics due to the enhanced importance of the electron correlation. In this thesis new spectroscopic methods have been developed and then applied to study the nature of atomic negative ions. READ MORE
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12. Spectroscopy of Stable and Radioactive Negative Ions
Abstract : Negative ions are unique quantum systems which are of fundamental interest within the field of atomic physics due to the importance of the electron correlation in their creation, stability, and existence. Properties of these ions, such as the electron affinity, i.e. READ MORE
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13. Photodetachment of Negative Ions. Experimental Investigations of Threshold and Continuum Structures
Abstract : In this thesis photodetachment studies of atomic negative ions where one or several electrons are detached from a negative ion are presented. Negative ions are unique objects since their formation and destruction mechanisms strongly depend on the correlated motion of the valence electrons. READ MORE
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14. Electronic transitions and correlation effects : From pure elements to complex materials
Abstract : Macroscopic properties of real materials, such as conductivity, magneticproperties, crystal structure parameters, etc. are closely related or evendetermined by the configuration of their electrons, characterized by electronicstructure. By changing the conditions, e.g, pressure, temperature, magnetic/electric field, chemical doping, etc. READ MORE
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15. Image Processing in High Resolution Transmission Electron Microscopy of Inorganic Materials
Abstract : High resolution transmission electron microscopy and digital image processing has been used to investigate the structure and properties of inorganic materials. The image processing was performed with the programming language Semper. All routines are listed in the appendix. READ MORE