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Electronic structure of nanometer-scale semiconductor wires

We report a theoretical study of the electronic structure and optical properties of GaAs nanowires grown in the [111] direction with a hexagonal cross section, based on a tight-binding approach. It is shown that in the nanowires the degeneracy of the light-hole and heavy-hole bands at the Γ-point seen in the bulk material is lifted, and the light-hole state is located above the heavy-hole state, i

Rumänska på nätet: En solitär

”IT-baserad-Rumänska”-konceptet har visat sig vara en mycket bra utbildningsmodell bl a för att öka studentantalet. Vi presenterar vår e-lösning för att ”snappa upp” ”rest*-studenter” och därmed höja genomströmningen – ett moment som visar sig vara omöjlig inom campusmodellen. Vi presenterar våra resultat i en statistisk överblick. (*Studenter som har rest-prov.)

Deep Coherent Ray Tracing

Tracing secondary rays, such as reflection, refraction and shadow rays, can often be the most costly step in a modern real-time ray tracer. In this paper, we examine this problem by using suitable ray coherence measures and present a thorough evaluation of different reordering heuristics for secondary rays. We also present a simple system design for more coherent scene traversal by caching seconda

Contract Law in Sweden

Derived from the renowned multi-volume International Encyclopaedia of Laws, this practical analysis of the law of contracts in Sweden covers every aspect of the subject – definition and classification of contracts, contractual liability, relation to the law of property, good faith, burden of proof, defects, penalty clauses, arbitration clauses, remedies in case of non-performance, damages, power o

Phase Segregation and Microstructural Changes in Starch - Protein Systems

This thesis presents the study of the phase behavior of starch ? protein systems in relation to their microstructure and mechanical properties. To study the complexity of this multicomponent system, the main components of starch (amylopectin and amylose) were studied separately in presence of a protein (ß-lactoglobulin or patatin). The two-component systems in aqueous media or dry state were: amy

Moraliska räkenskaper. Stamcellsforskare om individ och samhälle

Att den kunskap som produceras innanför laboratoriet inte utan vidare kan överföras till omvärlden, att det snarare uppstår en rad informationsglapp, problematiseras i artikeln. Lundin utgår från samtalen i en diskussionsgrupp med biomedicinska forskare där avsikten är att resonera om medicin och etik. Gruppen utgör en metodologisk ingång för att fånga vad som händer i gränslandet mellan enskilda