Scientific Reports Physics Table of Contents e-alert: May 2012

01 May 2012      • Visit Scientific Reports • Submit your manuscript to Scientific Reports     Welcome to your Table of Contents e-alert for Scientific Reports             The Arab world has a rich history of scientific breakthroughs. Ensure you're part of the scientific and medical community gaining access to breaking news in the region. Access Nature Middle East - your free portal for scientific and medical research, features, jobs and events in the Arabic speaking world. www.nature.com/nmiddleeast/ Follow us: Facebook, Twitter, & Google +               Physical Sciences               Superconductivity above 30 K in alkali-metal-doped hydrocarbon ▶     Mianqi Xue, Tingbing Cao, Duming Wang et al.     The recent discovery of superconductivity with a transition temperature (Tc) at 18 K in Kxpicene has extended the possibility of high-Tc superconductors in organic materials. …             Presence of Amorphous Carbon Nanoparticles in Food Caramels ▶     Md Palashuddin Sk, Amit Jaiswal, Anumita Paul et al.     We report the finding of the presence of carbon nanoparticles (CNPs) in different carbohydrate based food caramels, viz. bread, jaggery, sugar caramel, corn flakes and biscuits, …             Local antiferromagnetic exchange and collaborative Fermi surface as key ingredients of high temperature superconductors ▶     Jiangping Hu, Hong Ding     Cuprates, ferropnictides and ferrochalcogenides are three classes of unconventional high temperature superconductors, who share similar phase diagrams in which superconductivity …             Controlling the quantum dynamics of a mesoscopic spin bath in diamond ▶     Gijs de Lange, Toeno van der Sar, Machiel Blok et al.     Understanding and mitigating decoherence is a key challenge for quantum science and technology. The main source of decoherence for solid-state spin systems is the uncontrolled spin …             Strong quantum memory at resonant Fermi edges revealed by shot noise ▶     N. Ubbelohde, K. Roszak, F. Hohls et al.     Studies of non-equilibrium current fluctuations enable assessing correlations involved in quantum transport through nanoscale conductors. They provide additional information to …             Pressure-induced amorphous-to-amorphous configuration change in Ca-Al metallic glasses ▶     H. B. Lou, Y. K. Fang, Q. S. Zeng et al.     Pressure-induced amorphous-to-amorphous configuration changes in Ca-Al metallic glasses (MGs) were studied by performing in-situ room-temperature high-pressure x-ray diffraction …             Large amplitude fluxional behaviour of elemental calcium under high pressure ▶     J. S. Tse, S. Desgreniers, Y. Ohishi et al.     Experimental evidences are presented showing unusually large and highly anisotropic vibrations in the “simple cubic” (SC) unit cell adopted by calcium over a broad pressure …             Competing activation mechanisms in epidemics on networks ▶     Claudio Castellano, Romualdo Pastor-Satorras     In contrast to previous common wisdom that epidemic activity in heterogeneous networks is dominated by the hubs with the largest number of connections, recent research has pointed …             If players are sparse social dilemmas are too: Importance of percolation for evolution of cooperation ▶     Zhen Wang, Attila Szolnoki, Matjaž Perc     Spatial reciprocity is a well known tour de force of cooperation promotion. A thorough understanding of the effects of different population densities is therefore crucial. Here we …             High Electrocatalytic Activity of Vertically Aligned Single-Walled Carbon Nanotubes towards Sulfide Redox Shuttles ▶     Feng Hao, Pei Dong, Jing Zhang et al.     Vertically aligned single-walled carbon nanotubes (VASWCNTs) have been successfully transferred onto transparent conducting oxide glass and implemented as efficient low-cost, …             Covalently bonded three-dimensional carbon nanotube solids via boron induced nanojunctions ▶     Daniel P. Hashim, Narayanan T. Narayanan, Jose M. Romo-Herrera et al.     The establishment of covalent junctions between carbon nanotubes (CNTs) and the modification of their straight tubular morphology are two strategies needed to successfully …             Winding up superfluid in a torus via Bose Einstein condensation ▶     Arnab Das, Jacopo Sabbatini, Wojciech H. Zurek     Phase transitions are usually treated as equilibrium phenomena, which yields telltale universality classes with scaling behavior of relaxation time and healing length. However, in …             Critical Dipole Length for the Wetting Transition Due to Collective Water-dipoles Interactions ▶     Chunlei Wang, Bo Zhou, Yusong Tu et al.     The wetting behavior of water on the solid surfaces is fundamental to various physical, chemical and biological processes. Conventionally, the surface with charges or charge …             Enabling Universal Memory by Overcoming the Contradictory Speed and Stability Nature of Phase-Change Materials ▶     Weijie Wang, Desmond Loke, Luping Shi et al.     The quest for universal memory is driving the rapid development of memories with superior all-round capabilities in non-volatility, high speed, high endurance and low power. …             Quantifying the Advantage of Looking Forward ▶     Tobias Preis, Helen Susannah Moat, H. Eugene Stanley et al.     We introduce a future orientation index to quantify the degree to which Internet users worldwide seek more information about years in the future than years in the past. We analyse …             A simple and efficient statistical potential for scoring ensembles of protein structures ▶     Pilar Cossio, Daniele Granata, Alessandro Laio et al.     In protein structure prediction it is essential to score quickly and reliably large sets of models by selecting the ones that are closest to the native state. We here present a …             III-V/Si hybrid photonic devices by direct fusion bonding ▶     Katsuaki Tanabe, Katsuyuki Watanabe, Yasuhiko Arakawa     Monolithic integration of III-V compound semiconductors on silicon is highly sought after for high-speed, low-power-consumption silicon photonics and low-cost, light-weight …             Fracturing ranked surfaces ▶     K. J. Schrenk, N. A. M. Araújo, J. S. Andrade Jr et al.     Discretized landscapes can be mapped onto ranked surfaces, where every element (site or bond) has a unique rank associated with its corresponding relative height. By sequentially …                         Scientific Reports is accepting submissions from all scientific fields. 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