Interactions of persistent slip bands with a grain boundary on the common primary slip plane in a copper bicrystal

In this letter, the dislocation patterns on the common primary slip plane in a fatigued \[1-34]-\[182-7] copper bicrystal with a Sigma=19b grain boundary (GB) have been investigated using the electron channelling contrast technique in a scanning electron microscope. The results show that the two-phase dislocation structure, such as veins and persistent slip band (PSB) walls, embedded within veins, can be clearly seen on the common primary slip plane. In particular, the interactions of PSBs with the GB are clearly revealed. It is found that there are three kinds of interaction mode between the GB and the dislocations during cyclic deformation, and those are discussed. It is suggested that the dislocations carried by PSBs cannot transfer through the GB continuously even though the bicrystal has a common primary slip plane and its surface slip bands are continuous across the GB.     

The key role of nanoscale surface facets on the mechanical strength and failure of wurtzite and periodically twinned zinc-blende nanowires

Using molecular dynamics, we study the role of the surface facets of III–V nanowires on their failure during tensile deformation. We find that wurtzite (WZ) nanowires can withstand higher levels of stress and strain at failure compared to zinc-blende (ZB) nanowires. We observe that it is easier to nucleate a crack on a ZB nanowire due to the stress singularities that occur at the intersection of two opposing {111} facets. In WZ nanowires, we observe that cracks always nucleate at the intersection between two adjacent {112} surface facets. We explain these phenomena using fracture mechanics techniques based on energetics of crack formation.     

The Baltic Churches and the Challenges of the Post-Communist World

This article analyses and describes the recent history of the Baltic churches, their theological reorientation and the challenges they have encountered in the post-Communist Baltic society. The focus is on the Estonian, Latvian and Lithuanian Lutheran churches whereas the Catholic and Orthodox churches receive less attention. It is first demonstrated that much has changed since the Second World War regarding the churches' membership numbers and their societal position. The article then pays attention to two phenomena that have caused much discussion not only within the churches but also among foreign observers: the fear that the Lutheran Church will surrender to the Catholic Church, and the quite opposite anxiety that the Lutheran Church–Missouri Synod will grow too influential within Baltic Lutheranism. Finally, the author examines the way the Baltic churches have been involved in politics during the last two decades.     

From state church to faith community: an analysis of worldly and spiritual power in the Church of Sweden

The aim of this article is to discuss the current legislation, and power structures in and between different levels of the Church of Sweden in terms of church–state relations and secularisation, with the help of theories from sociology of religion and ecclesiology drawn from José Casanova, Grace Davie and Avery Dulles. With themes from Lutheran theology, including the two regiments and the common priesthood of all believers, we analyse the current legislation and power structures from the perspective of the so-called ‘dual line of responsibility’. The underlying hypothesis is that the structures of the former state church are still deciding the power structures in the Church of Sweden. This creates obscurity concerning the role of the church in public society and negatively affects the ecclesiastical development of the church now that it has lost its earlier status as a state church.     

Contributors

The ‘imagined community’ (famously defined by Benedict Anderson) could not be created out of nothing. It built upon previously existing identities. And though nineteenth-century nationalism is often seen as essentially secular, the most powerful of these identities were frequently religious. Indeed the clergy often played a major role in promoting a national consciousness. While a ‘national church’ readily saw itself as the embodiment of the nation’s past history, present identity and future aspirations, religious minorities usually had a more ambivalent relationship with a nationalism that was always in some degree exclusive. And even in the case of a ‘national church’, the interests of politicians and ecclesiastics were not always the same. Moreover some nineteenth-century nationalisms were defined in ways to which religion was largely irrelevant, or were in explicit opposition to the Catholic Church. Nonetheless, in ways that varied in kind and degree from country to country, nationalism and Christianity came to be intertwined in nineteenth-century Europe. National identities were to an important degree defined by reference to specific Christian traditions, their history, their forms of worship, and their heroic figures. At the same time nationalism often came to be seen as an integral part of Christianity. Readiness to die for the motherland was presented as a Christian duty and, in particular, Christian preachers of this era were strongly influenced by the concept of a God-given national mission, which justified nationalist claims and might sometimes justify war.     

The Effects On and Of Depression - An Exploratory Study of Rehabilitation and Secondary Prevention in Coronary Artery Disease

Forty consecutive participants in a comprehensive, behaviourally oriented coronary rehabilitation and secondary prevention program were followed for three years. Changes in depression (as measured with the Beck Depression Inventory) as well as the influence of baseline levels of depression on achieved changes in lifestyle behaviour and on rehabilitation and secondary prevention effects were analyzed. Subjects with moderate levels of baseline depression experienced short-term reductions of depression, which was maintained at the 12-month follow-up. Clinically depressed subjects experienced less positive results, with smaller immediate reductions as well as relapse to baseline levels after 12 months, specifically in non-physical, cognitive-affective depression symptoms. There were, however, no differences in lifestyle changes or in hospital treatment between groups with different pre-treatment depression levels. These results are discussed in relation to earlier research on the detrimental effects of depression on the prognosis of coronary artery disease.     

Fear response to dissociation challenge

Abstract

Participants (N = 101) scoring high or low on a new scale for assessing fear of dissociative sensations (Dissociation Sensitivity Index) underwent an audio/visual sensory challenge using a device called the D.A.V.I.D. Participants' report of subjective fear and level of dissociation were measured before and after completing the audio/visual sensory challenge. Consistent with prediction, participants scoring high on the DSI responded to the challenge with significantly greater increases in subjective fear and dissociative symptoms relative to those scoring low on the DSI. Contrary to prediction, the DSI performed poorer than the Anxiety Sensitivity Index in predicting participants' response to the audio/visual sensory challenge. Theoretical and clinical implications of the findings are discussed.     

Effects of anxiety on handgun shooting behavior of police officers: a pilot study

Abstract

The current pilot study aimed at providing an initial assessment of how anxiety influences police officers’ shooting behavior. Seven police officers participated and completed an identical shooting exercise under two experimental conditions: low anxiety, against a non-threatening opponent, and high anxiety (HA), against a threatening opponent who occasionally shot back using colored soap cartridges. Measurements included shooting accuracy, movement times, head/body orientation, and blink behavior. Results showed that under HA, shooting accuracy decreased. Underlying this degradation of performance, participants acted faster and made themselves smaller to reduce the chance of being hit. Furthermore, they blinked more often, leading to increases in the amount of time participants had their eyes closed. Findings provide support for attentional control theory, hereby also pointing to possible interventions to improve police officers’ shooting performance under pressure.     

Health Outcomes by Closeness of Sexual Abuse Perpetrator: A Test of Betrayal Trauma Theory

Summary

In this chapter, practicing attorney Brooks Cooper illuminates how the legal tradition of applying different standards to the ad-missibility of expert and lay opinions as evidence in litigation complicates delayed-discovery sexual abuse cases. Admissibility standards have long been a source of controversy, and recent developments in law, such as the pre-trial evidentiary hearings that invoke the “gatekeeper” function of the judge under the standard enunciated in Daubert v. Mer-rell-Dow Pharmaceuticals, have become a favored strategy by the defense in an effort to bar delayed memory testimony by characterizing it as the product of unreliable science. To overcome this litigation hurdle, Mr. Cooper contextualizes the present controversy in the history of scientific evidence admissibility, tracing emerging trends in judicial opinion on scientific evidence from expert witnesses from the 1923 case Frye v. United States through the present, and offers strategies and techniques to maintain admissibility of the evidence before and during all phases of the trial.