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Vortices and Persistent Currents in Rotating Bose Gases - a Diagonalization Approach

Popular Abstract in Swedish Bose-Einsteinkondensat är de kallaste system människan känner till, och de styrs helt av kvantmekaniska lagar. Därför har de många speciella egenskaper, som bland annat visar sig under rotation. De kan till exempel inte rotera med vilken hastighet som helst, utan bara vissa specifika hastigheter är tillåtna. Vidare kan man - under vissa omständigheter - få ett Bose-EinsIn this thesis, I explore the behavior of rotating ultra-cold Bose gases, by diagonalizing the Hamiltonian. This method has the advantage of being exact in the limit of weak interactions, and thus is a useful complement to the more commonly used Gross-Pitaevskii (GP) equation, which relies on a mean-field approximation. It is generally known that an ultra-cold Bose gas shows some remarkable proper

The transforming leader : The characterization of Jesus as leader in Matthew’s call narratives and its implications for pastoral leadership today

The first part of this paper discusses how Jesus is presented as a leader in the call narratives in the Gospel of Matthew (4.18–22). By making use of a biographical-narrative reading of Matthew, which takes the biographical genre seriously and pays attention to the narrative development of the story, and modern understanding of leadership, mainly by making use of transformational leadership theori

Datorbaserat planeringsverktyg vid anpassning av bo- och arbetsmiljöer för fysiskt rörelsehindrade

Computer based planning tool for adaptation of living and working environments of physically disabled persons. When adapting living and working environments according to the needs of physically disabled users it is important to optimize design solutions already during the planning process. Therefore it is quite advantageous if the end-user can be involved in the design process to present her or hi

Focus Movements and the Internal Images of Spoken Discourse

When a speaker spontaneously draws, what is the correlation between visual focus movements over the drawing and focus movements in the discourse? How is the listener's internal image constructed from the spoken discourse? We studied these questions empirically by transcribing spoken language data into intonation units and comparing them to events in the drawing. In our analysis, we employed an ima

The different knowledges of coastal fisheries

The world of coastal fisheries is full of tensions and conflicts. On the public arena, professional fishing is often associated with the overtaxing of resources, unsustainable harvest practices and blame-games among actors. But fisheries are also upheld by boundary crossings, situated knowledge and relational work. Through the coexistence of such different patterns of rationality places are made.