8,550 research outputs found
Late-time tails of self-gravitating skyrmions
We consider the long-time behaviour of spherically symmetric solutions in the
Einstein-Skyrme model. Using nonlinear perturbation analysis we obtain the
leading order estimation of the tail in the topologically trivial sector (B =
0) of the model. We show that solutions starting from small compactly supported
initial data decay as 1/t^4 at future timelike infinity and as 1/u^2 at future
null infinity. We also verified that long-time behaviour for the tail in
Einstein-Skyrme model is exactly the same as it was obtained for wave maps.Comment: 7pp; revised version - title changed, sects. 2 and 3 replaced by the
new version of sect. 2 with new figure added, section on numerics slightly
modified, references updated, accepted for publication in Acta Phys. Pol.
Effect of health worry on processing of health information, behavioral intentions, and behavior
Although correlational studies show a relationship between worry about health concerns and higher rates of self-protective behavior, there has been no experimental research supporting the relationship and little research on the mechanisms by which worry might lead to health behaviors. This study experimentally induced a state of worry about influenza in undergraduate college students (N = 165), and examined their intentions to get a flu shot, systematic processing of a message about influenza, and vaccination behavior. The study had four main findings. First, the worry induction was successful in inducing worry about influenza. Second, participants in the experimental (worry) group reported significantly greater intentions to get a flu shot when compared with the intentions of the control group. Group differences in vaccination behavior were in the predicted direction, but were not significant. Third, participants in the experimental group had significantly higher rates of systematic processing of the flu message. However, systematic processing did not mediate the relationship between worry about the flu and intention to get a flu shot. The results support the role of emotion in health behavior decisions and introduce an effective experimental technique for inducing worry about a health condition
Factors influencing convergence of a learning system
Measurement rays affecting algorithm for learning control syste
Majorana neutrino mass matrix with CP symmetry breaking
From the new existing data with not vanishing theta13 mixing angle we
determine the possible shape of the Majorana neutrino mass matrix. We assume
that CP symmetry is broken and all Dirac and Majorana phases are taken into
account. Two possible approaches "bottom-up" and "top down" are presented. The
problem of unphysical phases is examined in detail.Comment: 6 pages, 2 figures, presented at the XXXV International Conference of
Theoretical Physics "Matter to the Deepest 2011", Ustron, Poland, September
12-18, 201
Minimally Unbalanced Quivers
We develop a classification of \emph{minimally unbalanced}
quiver gauge theories. These gauge theories are important because the isometry
group of their Coulomb branch contains a single factor, which is either a
classical or an exceptional Lie group. Concurrently, this provides a
classification of hyperk\"ahler cones with isometry group which are
obtainable by Coulomb branch constructions. HyperK\"ahler cones such as Coulomb
branches of quivers are indispensable tools for describing
Higgs branches of different theories in various dimensions. In particular, they
are used to describe Higgs branches of SQCD with gauge group
and SQCD with gauge group at the
respective UV fixed points.Comment: 59 page
An inventory of recent innovations in fruit and fruit products
The goals of this study were to make an inventory of recent and ongoing fruit and fruit product innovations, to assess what novelty or improvement they offer, and whether consumers could identify and/or recognise them. Researchers from 11 European countries submitted 386 examples of fruit and fruit product innovations. The list of innovations obtained has been coded, categorised, sorted, and reduced in subsequent stages. First, the examples received were categorised according to the Oslo Manual definitions. Second, product and marketing innovations were selected, as they are the only ones that were likely to be recognised by consumers. Next, analysis revealed that the novelties these innovations offered related to Convenience, Health, Differentiation, Target Group, Information, Sensory Characteristics, In Home and/or Out of Home Quality. Some innovations offered only one novel aspect, whereas others offered multiple aspects. Interrelationships between novel aspects are discussed for those innovations that offered a combination of aspects
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