1. |
- Aho-Mantila, L., et al.
(author)
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Assessment of SOLPS5.0 divertor solutions with drifts and currents against L-mode experiments in ASDEX Upgrade and JET
- 2017
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In: Plasma Physics and Controlled Fusion. - : IOP PUBLISHING LTD. - 0741-3335 .- 1361-6587. ; 59:3
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Journal article (peer-reviewed)abstract
- The divertor solutions obtained with the plasma edge modelling tool SOLPS5.0 are discussed. The code results are benchmarked against carefully analysed L-mode discharges at various density levels with and without impurity seeding in the full-metal tokamaks ASDEX Upgrade and JET. The role of the cross-field drifts and currents in the solutions is analysed in detail, and the improvements achieved by fully activating the drift and current terms in view of matching the experimental signals are addressed. The persisting discrepancies are also discussed.
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2. |
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3. |
- Anderberg, Andreas, 1981-
(author)
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Straffbar oaktsamhet
- 2015
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Doctoral thesis (other academic/artistic)
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4. |
- Andersson, Malou, 1973-
(author)
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Grov fridskränkning och grov kvinnofridskränkning : Fridskränkningsbrotten som rättslig konstruktion
- 2016
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Doctoral thesis (other academic/artistic)abstract
- Over the last decades men’s physical and psychological violence against women in intimate relationships (domestic violence) has become a central issue in Swedish politics. Men’s physical and psychological violence against women is generally be understood as including physical, sexual and psychological violence (e.g rape, battery, sexual abuse or insults) that occurs within the family, whether or not the perpetrator shares or has shared the same residence with the woman. Law reforms have been carried through with the objective of enhancing criminal legal protection for women. In 1999, a new law came into force within the framework of chapter 4 of the Penal Code which includes any member of the family with the objective to treat acts that are already criminal from a different perspective if they are committed within a pattern of systematic physical and psychological violence.This doctoral thesis examines the concept of domestic violence and the criminal act in Chapter 4, section 4 a of the Swedish Penal Code which prescribes liability for violation of integrity offences. According to the first paragraph, a person who commits criminal acts as defined in Chapters 3, 4, 6 or 12 or of the Swedish Penal Code (e.g. rape, battery, sexual abuse or insults) or violation of a restraining order against a person with whom they have or have previously had, a close relationship will be sentenced for gross violation of integrity to imprisonment for at least nine months and at most six years if each of the acts were part of a repeated violation of the person’s integrity and the acts were liable to severely damage the person’s self-esteem. The second paragraph states if the acts were committed by a man against a woman to whom he is, or has been married or with whom he is, or has been cohabiting under circumstances comparable to marriage. He will instead be sentenced for a gross violation of a woman’s integrity to the same punishment. The objective of introducing a violation of integrity offence was to enable criminal proceedings to take in to account the abused person’s entire situation when he or she has been subjected to a series of albeit punishable but often individually relatively minor acts and to bring about an upgrading of the penal value of such acts. The main purpose of this thesis is to examine when and under which circumstances a person can be held responsible for gross violation of integrity or gross violation of a woman’s integrity. The analysis aims at the construction of the law, but also to examine the legal and social consequences and the interpretation and application of the law.
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5. |
- Angioni, C., et al.
(author)
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Gyrokinetic study of turbulent convection of heavy impurities in tokamak plasmas at comparable ion and electron heat fluxes
- 2017
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In: Nuclear Fusion. - : IOP PUBLISHING LTD. - 0029-5515 .- 1741-4326. ; 57:2
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Journal article (peer-reviewed)abstract
- In tokamaks, the role of turbulent transport of heavy impurities, relative to that of neoclassical transport, increases with increasing size of the plasma, as clarified by means of general scalings, which use the ITER standard scenario parameters as reference, and by actual results from a selection of discharges from ASDEX Upgrade and JET. This motivates the theoretical investigation of the properties of the turbulent convection of heavy impurities by nonlinear gyrokinetic simulations in the experimentally relevant conditions of comparable ion and electron heat fluxes. These conditions also correspond to an intermediate regime between dominant ion temperature gradient turbulence and trapped electron mode turbulence. At moderate plasma toroidal rotation, the turbulent convection of heavy impurities, computed with nonlinear gyrokinetic simulations, is found to be directed outward, in contrast to that obtained by quasi-linear calculations based on the most unstable linear mode, which is directed inward. In this mixed turbulence regime, with comparable electron and ion heat fluxes, the nonlinear results of the impurity transport can be explained by the coexistence of both ion temperature gradient and trapped electron modes in the turbulent state, both contributing to the turbulent convection and diffusion of the impurity. The impact of toroidal rotation on the turbulent convection is also clarified.
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6. |
- Angioni, C., et al.
(author)
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The impact of poloidal asymmetries on tungsten transport in the core of JET H-mode plasmas
- 2015
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In: Physics of Plasmas. - : AMER INST PHYSICS. - 1070-664X .- 1089-7674. ; 22:5
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Journal article (peer-reviewed)abstract
- Recent progress in the understanding and prediction of the tungsten behaviour in the core of JET H-mode plasmas with ITER-like wall is presented. Particular emphasis is given to the impact of poloidal asymmetries of the impurity density. In particular, it is shown that the predicted reduction of temperature screening induced by the presence of low field side localization of the tungsten density produced by the centrifugal force is consistent with the observed tungsten behaviour in a JET discharge in H-mode baseline scenario. This provides first evidence of the role of poloidal asymmetries in reducing the strength of temperature screening. The main differences between plasma parameters in JET baseline and hybrid scenario discharges which affect the impact of poloidally asymmetric density on the tungsten radial transport are identified. This allows the conditions by which tungsten accumulation can be avoided to be more precisely defined.
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7. |
- Arnichand, H., et al.
(author)
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Discriminating the trapped electron modes contribution in density fluctuation spectra
- 2015
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In: Nuclear Fusion. - : IOP PUBLISHING LTD. - 0029-5515 .- 1741-4326. ; 55:9
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Journal article (peer-reviewed)abstract
- Quasi-coherent (QC) modes have been reported for more than 10 years in reflectometry fluctuations spectra in the core region of fusion plasmas. They have characteristics in-between coherent and broadband fluctuations as they oscillate at a marked frequency but have a wide spectrum. This work presents further evidences of the link recently established between QC modes and the trapped electron modes (TEM) instabilities (Arnichand et al 2014 Nucl. Fusion 54 123017). In electron cyclotron resonance heated discharges of Tore Supra, an enhancement of QC modes amplitude is observed in a region where TEM cause impurity transport and turbulence. In JET Ohmic plasmas, QC modes disappear during density ramp-up and current ramp-down. This is reminiscent of Tore Supra and TEXTOR observations during transitions from the linear Ohmic confinement (LOC) to the saturated Ohmic confinement (SOC) regimes. Evidencing TEM activity then becomes experimentally possible via analysis of fluctuation spectra.
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8. |
- Asp, Petter, et al.
(author)
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25 kap. Om böter m.m.
- 2018
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In: Brottsbalken. - Stockholm : Karnov Group. - 9789176106686 ; , s. 1211-1231
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Book chapter (other academic/artistic)
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9. |
- Asp, Petter, et al.
(author)
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25 kap. Om böter m.m.
- 2018
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In: Brottsbalken. - Stockholm : Karnov Group. - 9789176106686 ; , s. 1211-1231
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Book chapter (other academic/artistic)
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10. |
- Asp, Petter, et al.
(author)
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26 kap. Om fängelse
- 2018
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In: Brottsbalken. - Stockholm : Karnov Group. - 9789176106686 ; , s. 1233-1276
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Book chapter (other academic/artistic)
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