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The transport and gain properties of quantum cascade (QC) structures are investigated using a nonequilibrium Green's function (NGF) theory which includes quantum effects beyond a Boltzmann transport description. In the NGF theory, we include interface roughness, impurity, and electron-phonon scattering processes within a self-consistent Born approximation, and electron-electron scattering in a mea
Accelerator based lightsources are one of the most powerful tools today for producing high intensity radiation at very short wavelengths. While synchrotron storage rings provide a high average brilliance in a wide wavelength range, the next generation of lightsources aim towards producing ultra-short pulses in the X-ray regime. A very promising technique implemented or proposed at many accelerat
Pediococcus parvulus 2.6 (previously Pediococcus damnosus 2.6, here confirmed as P. parvulus by 16S DNA sequencing) displayed antibacterial activity toward several bacterial species, including isolates found as contaminants in oats, herein genetically identified as Bacillus cereus. No inhibition of Listeria monocytogenes was found under the conditions used. Antibacterial activity was retrieved aft
This thesis describes the development of a temperature control system for optical spectroscopy experiments with rare-earth doped samples. Low temperature emission spectra were afterwards recorded for a series for Eu3+ singly doped and Ce3+, Eu3+ codoped Y2SiO5 samples. The analysis and assignment of the different energy transitions is presented. The experimental setups used in this thesis involve
Samlevnadsformen har stor betydelse för vilket skydd ett par åtnjuter. Sambor saknar till skillnad från makar arvsrätt efter varandra och även vid fastställande av faderskap föreligger betydande skillnader. I denna framställning har utretts varför så är fallet, hur dessa skillnader motiveras och om lagstiftningen utifrån sambors perspektiv är i förändringsbehov. Kyrkan har haft betydande inflytaCohabitation forms have great significance concerning the type of protection provided for couples. Cohabitees lack, unlike spouses, the right to inherit each other by law. Furthermore, the determination of paternity differs substantially. This paper investigates why this is the case, how the differences are justified and whether the legislation, from cohabitees’ perspective, requires modification.
Syftet med avhandlingen är att undersöka om nuvarande system för kupongbolag är tillfredställande eller om reglerna bör ändras. Arbetet riktar in sig på om aktieboken och aktiebrevet bör avskaffas och i så fall vad som ska införas istället. En konsekvens om aktiebrevet och/eller aktieboken avskaffas är att ett nytt sakrättsmoment måste införas. Ett alternativ som diskuterats i lagstiftningssammanhThe purpose of this essay is to examine if the current system for ”kupongbolag” is satisfactory or if the rules should be changed. The work is focused on the question of weather or not the share register (“aktieboken”) and the share certificate (“aktiebrevet”) should be revoked and if so, what should apply instead. A consequence if the latter would happen is that a new property law-moment has to b
Det har under senare år skett en snabb utveckling av en mer teknologiskt baserade krigföring där de vapen som brukas med större precision kan riktas och eliminera ett på förhand utvalt mål. I centrum för uppsatsen står användandet av drönare (UACV) i väpnad konflikt som medel för så kallade targeted killings, eller riktade attacker. I takt med utvecklingen har det uppstått meningsskiljaktigheter k
Humans have always communicated with each other. When the smartphone technology was launched on the market, it revolutionized the way people communicate. This smartphone technology is constantly evolving and during 2014 wearable computing seems to be in the focal point at most smartphone technology conferences. This master thesis aims to discover how a wearable computing device can further develo
This thesis picks up the journey from my Bachelor’s thesis where it was concluded that current legal protection of the Intellectual Property (IP) for “computer programs” and associated components is fractured and contains gaps that provides for legal uncertainty for the author/creator/inventor. The BSc thesis’ analysis covered IP protection provided through international treaties, statutory law an
Problemformulering: Det finns mycket belägg för hur viktig frontpersonalen är för ett företag men få företag verkar inse vikten av att investera i personalen och öka deras förutsättningar för att uppnå arbetstillfredsställelse. Då de arbetsuppgifter som yrkesrollen medför ofta kräver att frontpersonalen åsidosätter sig själva till förmån för kundens suveränitet och företagets framgång utsätts de f
Kommunikation är en grundläggande aktivitet i vården och om det finns hinder för god kommunikation riskerar vården och omvårdnaden att bli lidande. Syftet med denna litteraturstudie är att skapa förståelse för hur kommunikationen kan påverka omvårdnad av personer med utvecklingsstörning. En systematisk litteraturstudie gjordes där 9 vetenskapliga artiklar analyserades. I resultatet framkom två huv
The forest's potential as a carbon sink and source of biofuel is an important part in the development of a roadmap for a Sweden without climate emissions by 2050. Afforestation of about 400 000 hectares of arable land is one of several suggested measures to increase forest cover and forest growth. Two alternatives of forest management strategies using deciduous tree species, grown continuousl
This paper has two ambitions that both stem from the question: can government conveyance of a virtuous lifestyle be justified? The first ambition is to examine if the government should promote the majority opinion of a virtuous life to its people – and does this from two different perspectives: a classic liberal perspective – from which there was no unified answer – and a communitarian perspective
The latest PISA survey shows that the knowledge of the Swedish students are below average amongst the OECD countries. The development of the Swedish results in the PISA survey is the worst among all OECD countries. Against the backdrop of this development this thesis argues that the situation in the Swedish school is one of the most urgent matters of today. The students’ socioeconomic background i
Studies of dog assisted interventions often focus on the effects they have on clients health or situation. In contrast, the aim of this study was to analyze supervisors descriptions of dog assisted interventions in daily activity centers and to discuss how these interventions might affect the client’s situation. The study was performed through six semi-structured interviews using a thematic interv
Det är många gånger svårt att dra en tydlig gräns mellan vad som är att anse privat och vad som går att hänföra till ett arbete. Det är just därför det är väldigt svårt att förena arbetsgivarens intresse och behov av kontroll med arbetstagarens rätt till sin personliga sfär. Uppsatsens syfte är därmed att undersöka hur dessa intressen balanseras gällande utdrag ur belastningsregistret. Det finns
The aim of this thesis project is to evaluate the performance of cylindrical diffuser fibers in IPDT. Spectracure AB has developed a system for real time monitoring of dose parameters during IPDT treatment of prostate cancer using bare-end fiber tips. One of the parameters that is monitored is the effective attenuation coefficient, mu_{eff}, and the goal of this thesis is to study how well this pa
Digital educational games have been around for a long time and have shown to be pedagogically valuable. Unfortunately most games do not utilize technology to the extent that is possible. Not the least this applies to mathematical educational games for younger children. This work aims to combine several educational scientific approaches using current technologies, which traditionally had been very
