Impurity Effect on Kramer-Pesch Core Shrinkage in <Emphasis Type="Italic">s</Emphasis>-Wave Vortex and Chiral <Emphasis Type="Italic">p</Emphasis>-Wave Vortex

No Heading The low-temperature shrinking of the vortex core (Kramer-Pesch effect) is studied for an isolated single vortex for chiral p-wave and s-wave superconducting phases. The effect of nonmagnetic impurities on the vortex core radius is numerically investigated in the Born limit by means of a quasiclassical approach. It is shown that in the chiral p-wave phase the Kramer-Pesch effect displays a certain robustness against impurities owing to a specific quantum effect, while the s-wave phase reacts more sensitively to impurity scattering. This suggests chiral p-wave superconductors as promising candidates for the experimental observation of the Kramer-Pesch effect.PACS numbers: 74.25.Op, 74.20.Rp, 74.70.Pq     

Semantics-aware detection of targeted attacks: a survey

In today’s interconnected digital world, targeted attacks have become a serious threat to conventional computer systems and critical infrastructure alike. Many researchers contribute to the fight against network intrusions or malicious software by proposing novel detection systems or analysis methods. However, few of these solutions have a particular focus on Advanced Persistent Threats or similarly sophisticated multi-stage attacks. This turns finding domain-appropriate methodologies or developing new approaches into a major research challenge. To overcome these obstacles, we present a structured review of semantics-aware works that have a high potential for contributing to the analysis or detection of targeted attacks. We introduce a detailed literature evaluation schema in addition to a highly granular model for article categorization. Out of 123 identified papers, 60 were found to be relevant in the context of this study. The selected articles are comprehensively reviewed and assessed in accordance to Kitchenham’s guidelines for systematic literature reviews. In conclusion, we combine new insights and the status quo of current research into the concept of an ideal systemic approach capable of semantically processing and evaluating information from different observation points.     

Phenomenological Theory of Pyroelectricity

In pyroelectric materials there is a spontaneous dielectric polarization.When raising the temperature,then a voltage appears in the system.In the present manusc...     

Jubilee Line Extension – N?T für die U-Bahn London

It was in the 1990s that London was again at the focus of worldwide attention for inner city tunnelling. After decades of advance planning for the Jubilee Line Extension (JLE), a tunnelling project of the superlative was nearing realization. In several technically demanding parts of London the New Austrian Tunnelling Method (NATM) was used. During those years numerous Austrian tunnel engineers, construction companies and specialist companies for various aspects of tunnel construction, such as, for example, tunnel surveying, set off for London in order to participate in realizing this major mass passenger transport project.     

A Bayesian space‐time approach to identifying and interpreting regional convergence clubs in Europe

This study suggests a two‐step approach to identifying and interpreting regional convergence clubs in Europe. The first step calculates Bayesian probabilities for various assignments of regions to two clubs using a general stochastic space‐time dynamic panel relationship between growth rates and initial levels of income as well as endowments of physical, knowledge and human capital. The second step uses the club assignments in a dynamic space‐time panel data model to assess long‐run dynamic direct and spillover responses of regional income levels to changes in initial period endowments for clubs that were identified. We find different dynamic partial derivative responses to endowments by regions in the two clubs that appear consistent with low‐ and high‐income regions as clubs.     

Screening zum Antibiotika-Transfer aus dem Boden in Getreide in Regionen Nordrhein-Westfalens mit gro?en Viehbest?nden

In einem vorangegangenen Forschungsprojekt wurde ein Transfer von Antibiotika aus güllebeaufschlagtem Boden in den als Nahrungs- und Futtermittel genutzten Teil des Getreides, das Korn, nachgewiesen. Unklar blieb jedoch, ob dieser Transfer auch in der Praxis der konventionellen Landwirtschaft von Bedeutung ist, da in der Regel die Antibiotikagehalte in Güllen aus der landwirtschaftlichen Praxis geringer sind als die Gehalte, die unter den Bedingungen des o. a. Projektes erreicht wurden. Mit Unterstützung der Landwirtschaftskammern Nordrhein-Westfalen und Niedersachsen wurden in den Jahren 2005 und 2006 in den Kreisen Borken, Coesfeld und Warendorf (nur 2005) sowie der Grafschaft Bentheim (nur 2006) aus der laufenden Ernte sowohl Bodenproben als auch Weizen-, Gerste- und Triticaleproben gezogen. Die Analyse dieser Proben, die Gebieten mit hohem Viehbesatz entstammten, führte zu sicher identifizierten positiven Befunden für Tetracyclin (TC), Chlortetracyclin (CTC), Isochlortetracyclin (iso-CTC), Doxycyclin (DC) und Demeclocyclin (DMC). Die Gehalte lagen vielfach unter der jeweiligen Bestimmungsgrenze (~8–18 μg/kg Frischgewicht (FG)), in seltenen F?llen im Bereich zwischen ~30 (iso-CTC, DC), ~60 (DMC, CTC) und maximal ~95 μmg/kg FG (iso-CTC).     

XE166:针对实时应用和优化设计的16位MCU

作为较成功的16位微控制器(MCU)系列之一,C166架构在工业和汽车领域应用超过了15年。2001年初,更高集成度和性能的XC166系列产品问世。日前,英飞凌再一次取得了重大突破,推出了XE166微控制器产品系列,不仅性能得到了进一步的提高,还集成了更大容量的闪存以及更多的外设。