Search for dissertations about: "neutral theory"

Showing result 21 - 25 of 112 swedish dissertations containing the words neutral theory.

  1. 21. Microscopic Theory of Charge Complexes in Atomically-Thin Materials

    Author : Raul Perea Causin; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; phonons; trions; dynamics; propa- gation; excitons; many-body physics; dissociation; photoluminescence; 2D materials;

    Abstract : Atomically-thin materials have emerged as the most promising two-dimensional platform for future optoelectronic applications and for the study of quantum many-body physics. In particular, transition metal dichalcogenides (TMDs) exhibit strong Coulomb interaction, resulting in the formation of tightly-bound electron-hole complexes that dominate optics, dynamics, and transport. READ MORE

  2. 22. Formation and Dynamics of Molecular Excitons and their Fingerprints in Nonlinear Optical Spectroscopy

    Author : Pär Kjellberg; Kemisk fysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; supraledare; magnetisk resonans; spektroskopi; Physical chemistry; Fysikalisk kemi; Photochemistry; Fotokemi; Kondenserade materiens egenskaper:elektronstruktur; magnetiska och optiska ; egenskaper elektriska; supraconductors; magnetic resonance; relaxation; spectroscopy; Fysik; Chemistry; Kemi; Condensed matter:electronic structure; electrical; Physics; Redfield relaxation theory ; Inhomogeneous broadening ; Time-dependent density functional theory ; Conjugated polymers ; Three-pulse photon echo ; Molecular excitons ; magnetic and optical properties; Nonlinear spectroscopy ;

    Abstract : An efficient transfer of energy in molecular systems has proven to be of fundamental importance both in nature and industrial applications. The ability of molecules to work together forming collective excitations, so-called excitons, plays a key role in for example the extraordinary fast energy transfer involved in the first steps of photosynthesis. READ MORE

  3. 23. Essays in Public Finance and Behavioral Economics

    Author : Arnaldur Stefánsson; Per Engström; Eva Mörk; Mats Persson; Uppsala universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Frisch elasticity of labor supply; identification; elasticity heterogeneity; tax compliance; loss aversion; prospect theory; benefit take-up; similarity; distributive justice; moral decision-making; ambiguity attitudes; framing; consistency of choice; Economics; Nationalekonomi;

    Abstract : Essay I: I study how individuals adjust their labor supply in response to a year with tax free income. Due to a transformation from a retroactive to a pay-as-you-earn tax system, income earned on the Icelandic labor market in 1987 was never taxed. READ MORE

  4. 24. The educational challenge in "education for sustainable development" : qualification, social change and the political

    Author : Helen Hasslöf; Kerstin Sonesson; Margareta Ekborg; Claes Malmberg; Iann Lundegård; Johan Öhman; Malmö högskola; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; environmental education EE ; education for sustainable development ESD ; discourse theory; subjectification; teachers meaning making; functions of education;

    Abstract : This thesis explores how Education for Sustainable Development (ESD) as an overarching perspective makes meaningof educational aims and purposes. Sustainable development, as a concept, is by necessity complex, and deals withintegrated dimensions of environmental, social-cultural and economic sustainability. READ MORE

  5. 25. Att utvärdera i praktiken : The practice of evalutation - a retrospective study for local change and development in public libraries

    Author : Angela Zetterlund; Göteborgs universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Evaluation; Evaluation Practice; Program; Project; Public Library; Library Management; Institutional Theory; Library and Information Science; Library and Information Services;

    Abstract : The study is placed within the area of library and information science (LIS) known as ”evaluation research” and in particular, the area that relates to theory of evaluation practice. An analysis of previous research reveals that there is a need for conceptualising evaluation activities in the real life of libraries and information services and to reflect further on the conditions for evaluation in various institutional contexts. READ MORE