Kavli Affiliate: Jos Zwanikken | Summary:Within a modified Poisson-Boltzmann theory we study the effect of Bjerrum pairs on the typical length scale $1/barκ$ over which electric fields are screened in electrolyte solutions, taking into account a simple association-dissociation equilibrium between free ions and Bjerrum pairs. At low densities of Bjerrum pairs, this length scale is […]
Kavli Affiliate: Mark Schattenburg | Summary:Low-mass pre-main sequence (PMS) stars are strong and variable X-ray emitters, as has been well established by EINSTEIN and ROSAT observatories. It was originally believed that this emission was of thermal nature and primarily originated from coronal activity (magnetically confined loops, in analogy with Solar activity) on contracting young stars. […]
Kavli Affiliate: Masayuki Nakahata | Summary:A high performance distillation system to remove krypton from xenon was constructed, and a purity level of Kr/Xe = $sim 3 times 10^-12$ was achieved. This development is crucial in facilitating high sensitivity low background experiments such as the search for dark matter in the universe. | Search Query: arXiv […]
Kavli Affiliate: Mark Hartz | Summary:Recent measurements of B hadron properties carried out in sqrt(s)=1.96 TeV p/p-bar collisions at the Tevatron are reviewed. Included are measurements of the Bc+ meson lifetime, using J/psi+l+X final states, and the mass, using J/psi+pi final states, a flavor specific measurement of the Bs0 lifetime in Ds+pi+X decays, simultaneous measurements […]
Kavli Affiliate: Patricia Burchat | Summary:(Abridged) We describe here the most ambitious survey currently planned in the optical, the Large Synoptic Survey Telescope (LSST). A vast array of science will be enabled by a single wide-deep-fast sky survey, and LSST will have unique survey capability in the faint time domain. The LSST design is driven […]
Kavli Affiliate: John Belcher | Summary:Animated textures can be used to visualize the spatial structure and temporal evolution of vector fields at high spatial resolution. The animation requires two time-dependent vector fields. The first of these vector fields determines the spatial structure to be displayed. The second is a velocity field that determines the time […]
Kavli Affiliate: Robert Rosner | Summary:We develop and test spectral Galerkin schemes to solve the coupled Orr-Sommerfeld (OS) and induction equations for parallel, incompressible MHD in free-surface and fixed-boundary geometries. The schemes’ discrete bases consist of Legendre internal shape functions, supplemented with nodal shape functions for the weak imposition of the stress and insulating boundary […]
Kavli Affiliate: Martin Depken | Summary:Apart from being the gateway for all access to the eukaryotic genome, chromatin has in recent years been identified as carrying an epigenetic code regulating transcriptional activity. The detailed knowledge of this code contrasts the ignorance of the fiber structure which it regulates, and none of the suggested fiber models […]
Kavli Affiliate: John Belcher | Summary:We present visualizations of the diffusion and expulsion of magnetic flux for thin conducting sheets, both stationary and moving, including representations of the eddy currents and of the associated magnetic fields. Such visualizations can play an important role in making the abstract mathematics of eddy current phenomena more understandable from […]
Kavli Affiliate: Tomiyoshi Haruyama | Summary:A large heat load caused by thermal radiation through a metal shield pipe was observed in a cooling test of a cryostat for a prototype of a cryogenic interferometric gravitational wave detector. The heat load was approximately 1000 times larger than the value calculated by the Stefan-Boltzmann law. We studied […]