Relativistic Mean Field Approximation in a Density Dependent Parametrization Model at Finite Temperature

In this work we calculate the equation of state of nuclear matter for different proton fractions at zero and finite temperature within the Thomas Fermi approach considering three different parameter sets: the well-known NL3 and TM1 and a density dependent parametrization proposed by Typel and Wolter. The main differences are outlined and the consequences of imposing beta-stability in these models are discussed.Comment: 13 pages, 10 figure

Relativistic Thomas-Fermi description of Sm isotopes at finite temperature

The caloric curve (excitation energy per particle as a function of temperature) for finite nuclei is calculated within the non-linear Walecka model for different proton fractions and different parameterizations. The results obtained are compared with published experimental data and other theoretical results. Other properties related with the droplet formation as the surface energy, neutron skin thickness and binding energy per nucleon are also displayed as a function of temperature and their behaviours are discussed. It is shown that the caloric curve is sensitive to the proton fraction and to the Coulomb interaction. At T=0 the droplet properties do not depend on the parameterization used. At finite temperature however, the sensitivity appears.Comment: 24 pages, 5 figures, 9 table

Contextualizing the education effect on women's employment: a cross-national comparative analysis

The authors examine 'how and why' the effect of education on women's employment varies cross-nationally. First, they present a theoretical model that (a) outlines the micro-level mechanisms underlying education effects on women's employment in the couple context and (b) proposes contextual moderators at the country level. Second, they test the theoretical model against survey data from the United Nations' Generations and Gender Programme for 5 European countries (Austria, France, Germany, Hungary, and Norway). The data comprise 10,048 educationally homogamous heterosexual couples involving a woman age 20-45. The results indicate that more highly educated couples are more likely to have dual-earner arrangements in each country, yet the strength of education effects varied substantially between countries and across the family life cycle. In contrast to prior work, the authors find that education effects are not generally smaller in countries that are supportive of women's employment. This relation holds only for later child-rearing phases

Childlessness intentions of young female researchers in Austria [Intendierte Kinderlosigkeit von jungen Wissenschaftlerinnen in Österreich]

According to prior studies, female researchers in Austria exhibit a very high level of childlessness and, consequentially, a low mean number of children. Following up on these studies, we analyse childlessness intentions of young female researchers and compare them to those of other highly educated women in other occupations. We examine factors that are related to female researchers’ intent to stay childless. The analysis is based on a survey of 196 female researchers between the ages of 25 and 45 (with the majority being between age 25 and 34). Results indicate that few young, childless researchers plan a life without children: Only 7% intend to stay childless and most of them want to have two children (66%). Their intentions are strikingly close to those of their highly educated peers in other occupations. We discuss three factors that play a role for childlessness intentions of female researchers: work-related conditions (employment uncertainty and work-family reconciliation), personal career orientation, and partnership context

Towards a new understanding of cohabitation: Insights from focus group research across Europe and Australia

Background: Across the industrialized world, more couples are living together without marrying. Although researchers have compared cohabitation cross-nationally using quantitative data, few have compared union formation using qualitative data. Objective: We use focus group research to compare social norms of cohabitation and marriage in Australia and nine countries in Europe. We explore questions such as: what is the meaning of cohabitation? To what extent is cohabitation indistinguishable from marriage, a prelude to marriage, or an alternative to being single? Are the meanings of cohabitation similar across countries? Methods: Collaborators conducted seven to eight focus groups in each country using a standardized guideline. They analyzed the discussions with bottom-up coding in each thematic area. They then collated the data in a standardized report. The first and second authors systematically analyzed the reports, with direct input from collaborators. Results: The results describe a specific picture of union formation in each country. However, three themes emerge in all focus groups: commitment, testing, and freedom. The pervasiveness of these concepts suggests that marriage and cohabitation have distinct meanings, with marriage representing a stronger level of commitment. Cohabitation is a way to test the relationship, and represents freedom. Nonetheless, other discourses emerged, suggesting that cohabitation has multiple meanings. Conclusions: This study illuminates how context shapes partnership formation, but also presents underlying reasons for the development of cohabitation. We find that the increase in cohabitation has not devalued the concept of marriage, but has become a way to preserve marriage as an ideal for long-term commitment