Resonant charging of Xe clusters in Helium nanodroplets under intense laser fields

We theoretically investigate the impact of multiple plasmon resonances on the charging of Xe clusters embedded in He nanodroplets under intense pump-probe laser excitation. Our molecular dynamics simulations on Xe309He10000$and comparison to results for free Xe309$ give clear evidence for selective resonance heating in the He shell and the Xe cluster, but no corresponding double hump feature in the final Xe charge spectra is found. Though the presence of the He shell substantially increases the maximum charge states, the pump-probe dynamics of the Xe spectra from embedded system is similar to that of the free species. In strong contrast to that, the predicted electron spectra do show well-separated and pronounced features from highly efficient plasmon assisted electron acceleration for both resonances in the embedded clusters. A detailed analysis of the underlying ionization and recombination dynamics is presented and explains the apparent disaccord between the resonance features in the ion and electron spectra.Comment: revised manuscrip

Suicide Prevention: Do San Francisco AFSP Community Walks Reduce Hopelessness?

Community-based outreach programs have been found to be effective, helping to educate people, and reduce suicide through outreach and peer group support. The American Foundation for Suicide Prevention (AFSP) has been at the forefront of the battle to reduce suicide through education, fund raising, lobbing, and support efforts to those in need of suicide prevention services, as well as those who have lost someone. One of the ways they have done this is through community walks and fundraising throughout the nation for anyone affected by suicide. These events are called Out of the Darkness Walks, which allow the community to learn about suicide prevention, support those who have lost someone, and allow those who struggle with suicidal issues a way to gain support and acceptance. They provide community walks, campus walks, and overnight walks. The aim of this study is to see how these proactive and preventive community-based walks help the population in need and at risk. The following research question is the basis of the research. Do the AFSP San Francisco chapters’ Out of the Darkness community walks work as a preventive program to reduce hopelessness

The Puzzle of Paradoxical Insomnia

The current study investigated differences in objective sleep measures and subjective sleep measures between people with paradoxical insomnia and people with accurate perceptions of sleep, finding that sleep onset latency and wake after sleep onset time significantly predicted whether someone would have paradoxical insomnia. There were no significant differences in sleep structure between groups as previous research has suggested. The study also examined differences in personality factors, attitudes toward sleep, and insomnia severity ratings, finding that people with paradoxical insomnia had more dysfunctional beliefs about sleep and higher insomnia severity ratings, but no significant personality differences. Together, these findings suggest that dysfunctional attitudes about sleep and insomnia may play a large role in contributing to the inaccuracy of sleep perceptions for patients with paradoxical insomnia

Limited Powers in the Looking-Glass: Otiose Textualism, and an Empirical Analysis of Other Approaches, When Activists in Private Shopping Centers Claim State Constitutional Liberties

This Article examines closely a narrow range of highly factually analogous cases, in which state constitutional rights are asserted despite a clear lack of entitlement to assert any federal constitutional claim. Specifically, the cases selected are those in which private persons assert a right to conduct expressive activity, including electoral activity, in private shopping centers during hours when the properties are held open to the general public. These cases may be referred to colloquially as “the mall cases.” Selected here are only those cases that were decided after the federal question became clear. The Article first inquires into the role of textualism in these cases. The Article then examines other interpretivist modes besides textualism, namely originalism, structuralism, and precedentialism, as well non-interpretivist public policy arguments. The purpose of this inquiry is to clarify the role of interpretivism in state courts\u27 decisions on whether to expand the scope of their state constitutional protections for individual rights