The Offensiveness of the Freedom to Begin.: Feminist Critique – Feminism Critique

Christina Thürmer-Rohr begins by criticising Arendt's conception of public space as an “elitist project” in which competition and fame dominate. This idea of the public sphere would structurally exclude women, as bell hooks and Seyla Benhabib, among others, emphasise. Thürmer-Rohr, however, contradicts the feminist critique of Arendt: “Thinking with Arendt does not lead away from a feminist critique of domination, but deepens it by breaking profoundly with the hegemonic concept of identity that destroys political space by destroying plurality.”Christina Thürmer-Rohr begins by criticising Arendt's conception of public space as an “elitist project” in which competition and fame dominate. This idea of the public sphere would structurally exclude women, as bell hooks and Seyla Benhabib, among others, emphasise. Thürmer-Rohr, however, contradicts the feminist critique of Arendt: “Thinking with Arendt does not lead away from a feminist critique of domination, but deepens it by breaking profoundly with the hegemonic concept of identity that destroys political space by destroying plurality.

Unstable Growth and Coarsening in Molecular-Beam Epitaxy

The coarsening dynamics of three-dimensional islands on a growing film is discussed. It is assumed that the origin of the initial instability of a planar surface is the Ehrlich-Schwoebel step-edge barrier for adatom diffusion. Two mechanisms of coarsening are identified: (i) surface diffusion driven by an uneven distribution of bonding energies, and (ii) mound coalescence driven by random deposition. Semiquantitative estimates of the coarsening time are given in each case. When the surface slope saturates, an asymptotic dynamical exponent $z=4$ is obtained.Comment: 12 pages, 4 figure

Real-time observation of epitaxial graphene domain reorientation.

Graphene films grown by vapour deposition tend to be polycrystalline due to the nucleation and growth of islands with different in-plane orientations. Here, using low-energy electron microscopy, we find that micron-sized graphene islands on Ir(111) rotate to a preferred orientation during thermal annealing. We observe three alignment mechanisms: the simultaneous growth of aligned domains and dissolution of rotated domains, that is, 'ripening'; domain boundary motion within islands; and continuous lattice rotation of entire domains. By measuring the relative growth velocity of domains during ripening, we estimate that the driving force for alignment is on the order of 0.1 meV per C atom and increases with rotation angle. A simple model of the orientation-dependent energy associated with the moiré corrugation of the graphene sheet due to local variations in the graphene-substrate interaction reproduces the results. This work suggests new strategies for improving the van der Waals epitaxy of 2D materials

Vom Wollen zum Handeln : wie Sie Ihre Ziele in die Tat umsetzen

Man hat sich fest vorgenommen, mehr Sport zu treiben; trotzdem sitzt man vor dem Fernseher, anstatt im Park zu joggen. Warum setzen wir dieses und andere wichtige Ziele nicht in die Tat um? Und was kann man tun, um seine Ziele besser zu erreichen? In diesem Artikel diskutieren wir drei Hindernisse auf dem Weg zum Ziel und stellen einen einfachen, gut erforschten Motivations-Kniff vor, um sie zu überwinden. So zeigen wir, wie Sie im Alltag Ihre Ziele erreichen können

Planning and performance in small groups : collective implementation intentions enhance group goal striving

There are two key motivators to perform well in a group: making a contribution that (a) is crucial for the group (indispensability) and that (b) the other group members recognize (identifiability). We argue that indispensability promotes setting collective ("We") goals whereas identifiability induces individual ("I") goals. Although both goals may enhance performance, they should align with different strategies. Whereas pursuing collective goals should involve more cooperation, pursuing individual goals should involve less cooperation. Two experiments support this reasoning and show that planning out collective goals with collective implementation intentions (cIIs or "We-plans") relies on cooperation but planning out individual goals with individual implementation intentions (IIs or "I-plans") does not. In Experiment 1, three-member groups first formed a collective or an individual goal and then performed a first round of a physical persistence task. Groups then either formed a respective implementation intention (cII or II) or a control plan and then performed a second round of the task. Although groups with cIIs and IIs performed better on a physical persistence task than respective control groups, only cII groups interacted more cooperatively during task performance. To confirm the causal role of these interaction processes, Experiment 2 used the same persistence task and manipulated whether groups could communicate: When communication was hindered, groups with cIIs but not groups with IIs performed worse. Communication thus qualifies as a process making cIIs effective. The present research offers a psychology of action account to small group performance

Modelling and performance analysis of multigigabit serial interconnects using real number based analog verification methods

The increasing importance of multigigabit transceiver circuits in modern chip design calls for new methods of analyzing and integrating these challenging building blocks. This work presents a design and analysis framework basend on the SystemVerilog real number modeling ansatz. It further extends the simulation possibilities thus obtained by introducing additional higher level numeric modelling and evaluation methods to support multigigabit statistical link budgeting procedures based on the Peak Distortion Algorithm

Labyrinthine Island Growth during Pd/Ru(0001) Heteroepitaxy

Using low energy electron microscopy we observe that Pd deposited on Ru only attaches to small sections of the atomic step edges surrounding Pd islands. This causes a novel epitaxial growth mode in which islands advance in a snakelike motion, giving rise to labyrinthine patterns. Based on density functional theory together with scanning tunneling microscopy and low energy electron microscopy we propose that this growth mode is caused by a surface alloy forming around growing islands. This alloy gradually reduces step attachment rates, resulting in an instability that favors adatom attachment at fast advancing step sections