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Showing result 11 - 15 of 42 essays matching the above criteria.

  1. 11. Symmetry restoration of HFB states using projection

    University essay from Lunds universitet/Matematisk fysik; Lunds universitet/Fysiska institutionen

    Author : Carl Frostenson; [2019]
    Keywords : Symmetry restoration; Projection; HFB; nuclear physics; nuclear; Physics and Astronomy;

    Abstract : The restoration of particle number and angular momentum symmetry using projection operators has been theoretically investigated for mean-field Hartree-Fock-Bogoliubov (HFB) states. A computer code for the projection of particle number was then implemented. READ MORE

  3. 12. En granskning av palmoljeindustrin och dess påverkan på orangutangen (Pongo spp.) och andra arter

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Agnes-Cecilia Österberg; [2019]
    Keywords : bevarande; biologisk mångfald; orangutang; palmolja; skogsskövling;

    Abstract : För 10,000 år sedan var 45% av jordens landyta täckt av skog. I dag ligger siffran på 31%, vilket motsvarar fyra miljarder hektar. Klimat- och temperaturförändringar kan delvis förklara minskningen men även människan har haft en inverkan. READ MORE

  4. 13. Formation and Evolution of Protoplanetary Disks

    University essay from Lunds universitet/Astronomi - Genomgår omorganisation

    Author : Johan Appelgren; [2019]
    Keywords : protoplanetary disk; protoplanetary disk formation; protoplanetary disk evolution; planet formation; Physics and Astronomy;

    Abstract : A star forms with a surrounding protoplanetary disk after the collapse of a molecular cloud core. Subsequently, over a period of several Myr this protoplanetary disk of dust and gas is accreted onto the host star. We model the formation and evolution of such a protoplanetary disk using a one-dimensional numerical model. READ MORE

  5. 14. Can planet formation explain the observed differences in the chemical composition of binary stars?

    University essay from Lunds universitet/Astronomi - Genomgår omorganisation

    Author : Rebecca Forsberg; [2017]
    Keywords : binary stars; planet formation; protoplanetary disc; Physics and Astronomy;

    Abstract : A suggested explanation for the observed differences in chemical abundances in binary stars has been planet formation (e.g. Tucci Maia et al. 2014). READ MORE

  6. 15. Den äldre generationens tankar kring ridundervisning förr, nu och för framtiden

    University essay from SLU/Dept. of Anatomy, Physiology and Biochemistry

    Author : Agnes Sjöström; Linnéa Eriksson; [2017]
    Keywords : Ridsport; pedagogik; ridlärare; tränare;

    Abstract : The older generation’s opinions about riding education in the past, present and for the future This is a qualitative study based on seven informants’ thoughts about their own pedagogics, how it has changed over time, and the overall changes in Sweden’s riding education. It is also about what the informants want to bring to the future regarding their own pedagogics that could help develop riding education. READ MORE