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Atriði 1372-1391 af 4545
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(American Physical Society (APS), 2018-03-02)We study exciton polaritons in a two-dimensional Lieb lattice of micropillars. The energy spectrum of the system features two flat bands formed from S and P x , y photonic orbitals, into which we trigger bosonic condensation under high power ... -
(American Chemical Society, 2018-04-21)The distinctive prismatic geometry of semiconductor core-shell nanowires leads to complex localization patterns of carriers. Here, we describe the formation of optically active in-gap excitonic states induced by the interplay between localization of ...
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(American Physical Society (APS), 2017-09-06)We study theoretically the Coulomb interaction between excitons in transition metal dichalcogenide (TMD) monolayers. We calculate direct and exchange interaction for both ground and excited states of excitons. The screening of the Coulomb interaction, ...
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(MDPI AG, 2019-10-16)We study theoretically the quantum states of two interacting excitons in coaxial double quantum rings. An interplay between exciton-exciton Coulomb interactions and specific geometry of the structure leads to the emergence of peculiar energy spectrum ...
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(University of Iceland, School of Humanities, Faculty of Icelandic and Comparative Cultural Studies, 2023-01-12)This thesis examines the evolution of the Viking image in U.S. popular culture, from the publication of Antiquitates Americanæ, a scholarly work on the Vinland sagas, by Danish philologist Carl Christian Rafn in 1837, to the Unite the Right Rally in ...
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(Ovid Technologies (Wolters Kluwer Health), 2019-01-22)Background The accumulation of myocardial triglycerides and remodeling of the left ventricle are common features in type 2 diabetes mellitus and represent potential risk factors for the development of diastolic and systolic dysfunction. A few studies ...
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(Elsevier BV, 2019-02)Objectives: Menopause involves hypoestrogenism, which is associated with numerous detrimental effects, including on respiratory health. Hormone replacement therapy (HRT) is often used to improve symptoms of menopause. The effects of HRT on lung function ...
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Exome-chip meta-analysis identifies novel loci associated with cardiac conduction, including ADAMTS6 (Springer Science and Business Media LLC, 2018-07-17)Background: Genome-wide association studies conducted on QRS duration, an electrocardiographic measurement associated with heart failure and sudden cardiac death, have led to novel biological insights into cardiac function. However, the variants ...
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(Informa UK Limited, 2015-10-02)This discussion stresses that looking at countries on the margins of European colonial rule can be useful when considering the wider dynamics of the present, reflecting the persistence of colonial discourses and how racism “endures”. Iceland’s colonial ...
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(2021-07-15)Agriculture in the boreal and Arctic regions is perceived as marginal, low intensity and inadequate to satisfy the needs of local communities, but another perspective is that northern agriculture has untapped potential to increase the local supply of ...
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(Institute of Electrical and Electronics Engineers (IEEE), 2020)Optimization-based parameter tuning has become an inherent part of contemporary antenna design process. For the sake of reliability, it is typically conducted at the level of full-wave electromagnetic (EM) simulation models. This may incur considerable ...
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(Institute of Electrical and Electronics Engineers (IEEE), 2020)Design of modern antennas relies-for reliability reasons-on full-wave electromagnetic simulation tools. In addition, increasingly stringent specifications pertaining to electrical and field performance, growing complexity of antenna topologies, along ...
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(MDPI AG, 2020-04-20)Parameter optimization, also referred to as design closure, is imperative in the development of modern antennas. Theoretical considerations along with rough dimension adjustment through supervised parameter sweeping can only yield initial designs that ...
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Expedited Yield Optimization of Narrow- and Multi-Band Antennas Using Performance-Driven Surrogates (Institute of Electrical and Electronics Engineers (IEEE), 2020)Uncertainty quantification is an important aspect of engineering design, also pertaining to the development and performance evaluation of antenna systems. Manufacturing tolerances as well as other types of uncertainties, related to material parameters ...
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(Informa UK Limited, 2017-01)This article integrates the employment strain model with the social stress model in order to reveal the mechanisms that explain the relation between precarious employment and mental well-being. This model is applied to the case of temporary agency ...
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(University of Iceland, School of Education, Faculty of Education and Diversity, 2020-11)The influx of refugees and immigrants into Iceland continues to affect the society socially, culturally, and politically. Like many other European countries, Iceland has become home to many refugees and immigrants, including young adults. This influx ...
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(2021-01-01)Physical rehabilitation and psychosocial support are a part of cancer patients well-being and their ability to cope. Physical geography and healthcare provider barriers may have negative influences on patients’ health outcomes. To explore the perceptions ...
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(2023-08)Aim: to explore experiences of being mentored and the contribution of the mentoring to leadership and professional development of doctorally prepared nurses and doctoral nursing students participating in the Nurse-Lead programme. Background: Mentoring ...
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(2023-07-06)Background: Life-threatening obstetric complications usually lead to the need for referral and constitute the commonest direct causes of maternal deaths. Urgent management of referrals can potentially lower the maternal mortality rate. We explored the ...
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(Inter-Research Science Center, 2017-03-30)Arctic charr Salvelinus alpinus L. is an important species in Icelandic aquaculture and the most common wild salmonid in Iceland. A study on the course of infection with the bacterium Renibacterium salmoninarum was conducted using 3 different challenge ...
Atriði 1372-1391 af 4545