Sökning: "stopped light"

Visar resultat 1 - 5 av 15 avhandlingar innehållade orden stopped light.

  1. 1. Slow and stopped light by light-matter coherence control

    Författare :Jonas Tidström; Lars Thylén; Mauritz Andersson; Jesper Mørk; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; slow light; stored light; stopped light; light-matter coherence; electromagnetically induced transparency; rubidium atoms; Physics; Fysik; Photonics; Fotonik;

    Sammanfattning : In this thesis we study light-matter coherence phenomena related to the interaction of a coherent laser field and the so-called Λ-system, a three-level quantum system (e.g., an atom). We observe electromagnetically induced transparency (EIT), slow and stored light in hot rubidium vapor. LÄS MER

  3. 2. Major Intrinsic Proteins - Structure, function, interactions

    Författare :ANDREAS KIRSCHT; Biokemi och Strukturbiologi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Aquaporin; membrane proteins; crystallography; stopped-flow; molecular dynamics; structure modeling;

    Sammanfattning : Major intrinsic proteins, also referred to as aquaporins (AQPs) are localized in membranes of all domains of life to increase the permeability to water or other small, polar molecules. Several monophyletic groups can be discerned in this large and divergent protein superfamily. LÄS MER

  4. 3. Mechanism and Regulation of Initiation of Protein Synthesis in Eubacteria

    Författare :Ayman Antoun; Måns Ehrenberg; John Hershey; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Cell and molecular biology; Initiation; Protein Synthesis; Initiation Factors; Light Scattering; Ribosomes; Cell- och molekylärbiologi; Cell and molecular biology; Cell- och molekylärbiologi;

    Sammanfattning : Initiation of protein synthesis in E.coli involves several steps, which lead to the formation of the first peptide bond. This process requires three initiation factors: IF1, IF2 and IF3. LÄS MER

  5. 4. Flerspråkighetens gränser : språkdidaktik på (o)jämlik grund i migrationernas tid

    Författare :Andreas Nuottaniemi; Daniel Andersson; Carla Jonsson; Tommaso Milani; Hilde Sollid; Umeå universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; multilingualism; ethnography; linguistic repertoires; investment; social justice; uneven mobility; social space; stopped bodies; white listening subject; language teaching and learning; språkdidaktik;

    Sammanfattning : The aim of this thesis is to critically examine opportunities and obstacles to develop teaching in Swedish as a second language on equal ground. This is done by ethnographically exploring a group of students’ and their teachers’ lived experiences of language and teaching practices in a school and society in northern Sweden’s peripheralized interior. LÄS MER

  7. 5. A high-speed stopped flow laser light scattering apparatus and its application in a study of conformational changes in bovine serum albumin

    Författare :Stig Tormod; Uppsala universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : .... LÄS MER