Kavli Affiliate: Jos Zwanikken | First 5 Authors: Jos Zwanikken, Joost de Graaf, Markus Bier, René van Roij, | Summary: We calculate ion distributions near a planar oil-water interface within non-linear Poisson-Boltzmann theory, taking into account the Born self-energy of the ions in the two media. For unequal self-energies of cations and anions, a spontaneous […]
Kavli Affiliate: Darrell Schlom | First 5 Authors: Amit Kumar, R. Rai, Nikolas Podraza, Sava Denev, Mariola Ramirez | Summary: Using spectroscopic ellipsometry, the refractive index and absorption versus wavelength of the ferroelectric antiferromagnet Bismuth Ferrite, BiFeO_3 is reported. The material has a direct band-gap at 442 nm wavelength (2.81 eV). Using optical second harmonic […]
Kavli Affiliate: Martin Depken | First 5 Authors: Martin Depken, Helmut Schiessel, , , | 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 […]
Kavli Affiliate: Debanjan Chowdhury | First 5 Authors: Debanjan Chowdhury, , , , | Summary: For most of the important processes in DNA metabolism, a protein has to reach a specific binding site on the DNA. The specific binding site may consist of just a few base pairs while the DNA is usually several millions […]
Kavli Affiliate: David Charbonneau | First 5 Authors: David Charbonneau, , , , | Summary: In late August 2005, 80 researchers from more than 15 countries convened for a 4-day conference entitled “The Tenth Anniversary of 51 Peg b: Status and Prospects for Hot Jupiter Studies”. The meeting was held at l’Observatoire de Haute-Provence, the […]
Kavli Affiliate: George M. Whitesides | First 5 Authors: Eric Lauga, Willow R. DiLuzio, George M. Whitesides, Howard A. Stone, | Summary: Near a solid boundary, E. coli swims in clockwise circular motion. We provide a hydrodynamic model for this behavior. We show that circular trajectories are natural consequences of force-free and torque-free swimming, and […]
Kavli Affiliate: Keith Schwab | First 5 Authors: Salman Habib, Tanmoy Bhattacharya, Andrew Doherty, Benjamin Greenbaum, Asa Hopkins | Summary: The vast majority of the literature dealing with quantum dynamics is concerned with linear evolution of the wave function or the density matrix. A complete dynamical description requires a full understanding of the evolution of […]
Kavli Affiliate: Keith Schwab | First 5 Authors: Salman Habib, Tanmoy Bhattacharya, Andrew Doherty, Benjamin Greenbaum, Asa Hopkins | Summary: The vast majority of the literature dealing with quantum dynamics is concerned with linear evolution of the wave function or the density matrix. A complete dynamical description requires a full understanding of the evolution of […]
Kavli Affiliate: David Charbonneau | First 5 Authors: David Charbonneau, , , , | Summary: The Hubble Space Telescope is uniquely able to study planets that are observed to transit their parent stars. The extremely stable platform afforded by an orbiting spacecraft, free from the contaminating effects of the Earth’s atmosphere, enables HST to conduct […]
Kavli Affiliate: David Charbonneau | First 5 Authors: David Charbonneau, , , , | Summary: I present a review of observational efforts to study known extrasolar planets by methods that are complementary to the radial velocity technique. I describe the current state of attempts to detect and characterize such planets by astrometry, by reflected light, […]