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Quark and pion condensates at finite isospin density in chiral perturbation theory
(Peer reviewed; Journal article, 2020)I denne artikkelen vurderer vi to-smak QCD ved null temperatur og endelig isospin kjemisk potensiale μJegμI ved hjelp av en modelluavhengig analyse innen chiral forstyrrelsesteori i neste ledende rekkefølge. Vi beregner ... -
Quartz Fine Particle Processing: Hydrophobic Aggregation by Shear Flocculation
(Peer reviewed; Journal article, 2023)This study investigates the hydrophobic aggregation of fine quartz particles through shear flocculation induced by dodecylamine in aqueous solutions. The effect of stirring speed, collector concentration, flocculation time, ... -
Quasi-16-day period oscillations observed in middle atmospheric ozone and temperature in Antarctica
(Journal article; Peer reviewed, 2013)Nightly averaged mesospheric temperature derived from the hydroxyl nightglow at Rothera station (67°34' S, 68°08' W) and nightly midnight measurements of ozone mixing ratio obtained from Troll station (72°01' S, 2°32' E) ... -
Quasi-analytical solution of an investment problem with decreasing investment cost due to technological innovations
(Peer reviewed; Journal article, 2021)In this paper we address, in the context of real options, an investment problem with two sources of uncertainty: the price (reflected in the revenue of the firm) and the level of technology. The level of technology impacts ... -
Quasi-cleavage hydrogen-assisted cracking path investigation by fractographic and side surface observations
(Journal article; Peer reviewed, 2019)Despite recent substantial advances in understanding of hydrogen embrittlement (HE), many important aspects of this widespread phenomenon remain a subject of debates. Particularly, remarkably different opinions have been ... -
A quasi-offline condition monitoring method of DC-link capacitor banks in accelerator power converters
(Chapter, 2022)This paper proposes a condition monitoring scheme for DC-link electrolytic capacitors used innregenerative medium power converters. The monitoring scheme is based on capacitor bank voltage measurements in quasi-offline ... -
Quasi-Social Software as the ‘Social’ in Socio-Technical Design
(Journal article; Peer reviewed, 2019)In traditional socio-technical system design, we typically discuss three core layers: the social, the technical, and the socio-technical layer. The social layer represents human aspects, the technology represents the ... -
Quasi-Static & Dynamic Numerical Modeling of Full Scale NREL 5MW Wind Turbine
(Journal article; Peer reviewed, 2017)Simulations of the National Renewable Energy Laboratory (NREL) 5MW wind turbine under quasi-static Multiple Reference Frame (MRF) and dynamic Sliding Mesh Interface (SMI) methodologies are presented. Two reference zone ... -
Quasi-static and dynamic indentation of offshore pipelines with and without multi-layer polymeric coating
(Journal article; Peer reviewed, 2018)Offshore pipelines are occasionally subjected to accidental impact loads from trawl gear or anchors, which may damage the pipe. In this study, a series of indentation experiments carried out on offshore steel pipes covered ... -
Quasi-Static and Dynamic Testing of Annealed Float Glass
(Journal article; Peer reviewed, 2018)Three different experimental set-ups were employed in the investigation of the fracture strength of annealed float glass. These included four-point bending tests on three different specimen sizes, and quasi-static and ... -
Quasi-static behavior of 3D printed lattice structures of various scales
(Peer reviewed; Journal article, 2021)Additive manufacturing technology has been playing an important role in industrial applications due to the potential capacities to fabricate complex geometries such as lattice structures, which are treated as outstanding ... -
Quasi-static behaviour of crash components with steel skins and polymer foam cores
(Journal article; Peer reviewed, 2018)Different types of crash components are extensively used by the automotive industry to absorb energy during car accidents. Such components typically consist of sandwich structures with thin metal or composite plates as ... -
Quasi-static compression and compression–compression fatigue behavior of regular and irregular cellular biomaterials
(Peer reviewed; Journal article, 2021)The main aim of the current study is to evaluate the compressive quasi-static and fatigue properties of titanium alloy (Ti6Al4V) cellular materials, with different topologies, manufactured via laser powder bed fusion (LPBF) ... -
The quasi-static plasmonic problem for polyhedra
(Peer reviewed; Journal article, 2022)We characterize the essential spectrum of the plasmonic problem for polyhedra in R3. The description is particularly simple for convex polyhedra and permittivities ϵ<−1. The plasmonic problem is interpreted as a spectral ... -
Quasiclassical boundary conditions for spin-orbit coupled interfaces with spin-charge conversion
(Peer reviewed; Journal article, 2022)The quasiclassical theory of superconductivity provides a methodology to study emergent phenomena in hybrid structures comprised of superconductors interfaced with other materials. A key component in this theory is the ... -
Quasiclassical theory for antiferromagnetic metals
(Peer reviewed; Journal article, 2023)Unlike ferromagnetism, antiferromagnetism cannot readily be included in the quasiclassical Keldysh theory because of the rapid spatial variation in the directions of of the magnetic moments. The quasiclassical framework ... -
Quasiclassical theory for interfaces with spin-orbit coupling
(Journal article; Peer reviewed, 2019)In recent years, substantial progress has been made regarding the application of quasiclassical theory on superconducting hybrid structures. This theoretical framework is reliant on a proper set of boundary conditions in ... -
Quasiclassical theory for the superconducting proximity effect in Dirac materials
(Journal article, 2017)We derive the quasiclassical non-equilibrium Eilenberger and Usadel equations to first order in quantities small compared to the Fermi energy, valid for Dirac edge and surface electrons with spin-momentum locking p· σ¯, ... -
Quaternary landscape evolution in a tectonically active rift basin (paleo-lake Mweru, south-central Africa)
(Peer reviewed; Journal article, 2021)Located between the Northern Province of Zambia and the southeastern Katanga Province of the Democratic Republic of Congo, Lakes Mweru and Mweru Wantipa are part of the southwest extension of the East African Rift System ... -
Quaternion-Based Generalized Super-Twisting Algorithm for Spacecraft Attitude Control
(Peer reviewed; Journal article, 2020)A second-order sliding mode control, the generalized super-twisting algorithm (GSTA), is used for attitude control of a spacecraft actuated by reaction wheels for pointing and a slewing maneuver. Magnetorquers are used for ...