Large Plasmonic Resonance Shifts From Metal Loss in Slits

The impact of loss on the plasmonic resonances in metal-insulator­metal slits is analyzed, particularly the significant effect of loss on the reflection phase. The reflection is calculated analytically using single mode matching the­ory with the unconjugated form of the orthogonality relation. This theoretical calculation agrees well with comprehensive simulations, but differs substan­tially from the conjugated orthogonality result, as was used in past analytical works. This reflection phase has a large impact on the plasmonic resonance wavelengths, which are calculated using a Fabry-Pérot theory and compared with past experiment and finite-difference time-domain simulations.

Are We Strategically Naïve or Guided by Trust and Trustworthiness in Cheap-Talk Communication?

Cheap-talk communication between parties with conflicting interests is common in many business and economic settings. Two distinct behavioral economics theories, the trust-embedded model and the level-k model, have emerged to explain how cheap talk works between human decision makers. The trust-embedded model considers that decision makers are motivated by nonpecuniary motives to be trusting and trustworthy. In contrast, the level-k model considers that decision makers are purely self-interested but limited in their ability to think strategically. Although both theories have been successful in explaining cheap-talk behaviors in separate contexts, they point to contrasting drivers for human behaviors. In this paper, we provide the first direct comparison of both theories within the same context. We show that, in a cheap-talk setting that well represents many practical situations, the two models make characteristically distinct and empirically distinguishable predictions. We leverage past experiment data from this setting to determine what aspects of cheap-talk behavior each model captures well and which model (or combination of models) has better explanatory power and predictive performance. We find that the trust-embedded model emerges as the dominant explanation. Our results, thus, highlight the importance of investing in systems and processes to foster trusting and trustworthy relationships in order to facilitate more effective cheap-talk interactions. This paper was accepted by Charles Corbett, operations management.

COMET, an Experiment to Search for mu-e Conversion in a Nuclear Field

Charged lepton flavor violating (CLFV) process is predicted to be out of experimental reach by the Standard Model of elementary particle physics (SM). However, many models of the new physics beyond the SM predicts that it is just below the current experimental limit. COMET searches for one of the CLFV process, mu-e conversion in a nuclear field, improving the sensitivity by a factor of approximately [Formula: see text] for Phase-I and [Formula: see text] for Phase-II experiment from a past experiment.

Thin terrestrial sediment deposits on intertidal sandflats: effects on pore-water solutes and juvenile bivalve burial behaviour

Nearshore zones experience increased sedimentation due to coastal development and enhanced loads of fine terrestrial sediment (hereafter, TS) in river waters. Deposition of TS can alter seabed biogeochemical processes but the effects on benthic ecosystem functioning are unknown. The results of a past experiment with defaunated, intertidal sediment suggest that a decrease in the oxygenation of this sediment by a thin (mm) TS deposit causes substrate rejection (refusal to bury) by post-settlement juvenile recruits of the tellinid bivalve Macomona liliana. We further examined this behaviour, asking if such deposits negatively affect burial when applied to intertidal sediment that is oxygenated by bioturbation (C) or depleted of dead and living organic matter (D). We observed recruits on the surface of four treatments: C, D, and the same sediments to which we added a 1.7–1.9 mm layer of TS (CTS, DTS). The TS deposit decreased the oxygenation and the pH of the underlying intertidal sediment (CTS) confirming previous results, but significantly increased but not decreased the probability of burial, irrespectively of treatment. Juveniles more likely buried into C than into D. The mechanism that caused previously observed substrate rejection by post-settlement juvenile M. liliana remains unclear but our results suggest that contact of the recruits with the TS deposit does not cause substrate rejection. We now hypothesise that conditioning of sediment by bioturbation can mediate negative effects of TS deposits on the recruits' burial behaviour.

Computational Analysis of Frontal Area of a Front Grill Passenger Car

Designing the front grill with the focus on analyzing the flow from outside to the inside of a passenger car bonnet is very important in the automotive industry. This study was done to increase performance of the flow through the analysis on the effect of aerodynamic flow through the front grill by designing different cases of frontal areas of the front grill. Velocity at 34 m/s at steady condition were done to obtain the flow structure around a passenger car as well as the front grill of a passenger car. Analysis was taken inside the wind tunnel as the boundary condition. The grid generation was based on the tetrahedral unstructured meshes. Result obtain was compared with past experiment data. It was found that an appropriate design of frontal area of front grill can improved the stability of a car and the heat surrounding inside the car bonnet. Finally, the aerodynamics of the most suitable design of front grill was introduced and analyzed.

Defect-Induced Thermal Rectification: Numerical Study on Carbon Nanotube and FPU-Beta Lattice

The thermal properties of a half-defective single-walled carbon nanotube, and one-dimensional (1D) nonlinear lattices were investigated to unveil the mechanism of defect-induced thermal rectification. We propose a model of an asymmetrically defective low-dimensional material to explain the underlying mechanism of thermal rectification obtained in a past experiment in which C9H16Pt was asymmetrically deposited on a nanotube. These numerical approaches show the applicability of asymmetrically defective low-dimensional material to solid-state thermal rectification.

Nicholas Medtner: An Appreciation

In the long history of art there are those, who, living before their time, have been mainly ignored or derided. Others, like Dussek, have all unknowing, anticipated something of the composers to come. Yet another, like Mozart (the least original Great Master), by adding to and enriching the music of his age, has brought it to a noble climax.Conversely, there are others, who, fancying they can ignore the past, experiment with artificial formulae in a vain endeavour to by-pass evolution.