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We provide the first explicit experimental evidence of gigantic values of wavevectors and energy backflow in the field structure of a super-oscillatory lens. These observations explain how such a lens can focus light into a spot beyond the diffraction limit.
The disaggregated dRedBox Data Centre architecture is proposed that enables dynamic allocation of pooled compute and memory resources. An orchestration platform is described and algorithms are simulated that demonstrate the efficient utilization of IT infrastructure.
Reliability test of seawater hydraulic pumps in deep-sea environment is a prerequisite for its application in deep-sea equipment such as underwater robot and hydraulic buoyancy adjusting system. It is essential to explore the deep-sea test method and device for seawater hydraulic pumps. Based on the previous studies, a deep-sea simulated experiment devices is developed to test seawater hydraulic pumps,...
An Al+ ion optical clock is under development at Huazhong University of Science and Technology in China. We have successfully crystallized Magnesium ions. Through micromotion compensation and trapping parameters optimization, temperature of a trapped single ion is lowered to be around 19 mK.
A benzene gas sensor was developed base on the gated lateral bipolar junction transistor (BJT) coupled with solvatochromic dye in this study. The gated lateral BJT which combined a metal-oxide-semiconductor field effect transistor (MOSFET) and a BJT was used as the main part of the device. The 4-amino-N-methylphthalimide (4-ANMP) dye as a kind of solvatochromic dye with charge-transfer (CT) characteristic...
The physics of the transport of large currents of fast (relativistic) electrons in dense matter underpins many topics in high intensity laser-solid interactions, including warm dense matter, ion acceleration and the fast ignition approach to inertial confinement fusion. The propagation of fast electrons within the target is subject to transport instabilities (e.g. resistive instabilities) which give...
In this paper we show how the possibility of recording simultaneously the cerebral neuroelectric activity in different subjects (EEG hyperscanning) during the execution of different tasks can return useful information about the “internal” cerebral state of the subjects. We present the results obtained by EEG hyperscannings during ecological task (such as the execution of a card game) as well as those...
In this paper we show how the possibility of recording simultaneously the cerebral neuroelectric activity in different subjects (EEG hyperscanning) during the execution of different tasks could return useful information about the “internal” cerebral state of the subjects. We present the results obtained by EEG hyperscannings during ecological task (such as the execution of a card game) as well as...
In this study we measured simultaneously by EEG hyperscannings the neuroelectric activity in 6 couples of subjects during the performance of the “Chicken's game”, derived from game theory. The simultaneous recording of the EEG in couples of interacting subjects allows to observe and model directly the neural signature of human interactions in order to understand the cerebral processes generating and...
One of the most challenging questions open in neuroscience today is the characterization of the brain responses during social interaction. A major limitation of the approaches used in most of the studies performed so far is that only one of the participating brains is measured each time. The ldquointeractionrdquo between cooperating, competing or communicating brains is thus not measured directly,...
Our research group in this project has been developing models to understand the long-term interactions between investment and performance in the electric power system. We discuss some results and simple models in applying these tools to understand the expected pattern of investment in a proposed West African Power Pool (WAPP). Results show that the interconnection between countries has a clear impact...
The objective of the study is to improve the aortic pressure and myocardial perfusion pressure during cardiac arrest through optimized control parameters of external force for cardiopulmonary resuscitation (CPR). The CPR technology described in this paper was active compression-decompression CPR with enhanced external counter-pulsation and inspiratory impedance threshold valve (AEI-CPR). A genetic...
The aim of this study was to examine brain dynamics during video game play by means of electrophysiological brain mapping. We have conducted a pilot experimental study on healthy young human subjects during video game play. High resolution EEG (64-ch or 128-ch) was obtained to detect and monitor electroencephalograms (EEG) on the scalp of the subjects. Electrophysiological recordings were made prior...
A high resolution EEG study was conducted on healthy human subjects during video game play. Throughout the game playing experiment short time segments of spontaneous activity were recorded. Spectral analysis was performed on these segments for the theta-wave (4-8 Hz) and alpha-wave (8-13 Hz) bands to investigate the modulatory effects of long-lasting game play and the dynamic changes of spectral contribution...
In this article, we study the problem of time optimal manipulation of dynamics of coupled spins in NMR (nuclear magnetic resonance) spectroscopy and quantum information processing. In particular, we analyze the system of three linearly coupled spins with unequal couplings. We give time optimal control laws for steering the state of the spins between points that are of significance in coherent spectroscopy
A novel finite-difference time-domain (FDTD) method, called shift operator FDTD (SO-FDTD) is developed for dispersive media plasma. The recursive relation among operators is used. The dielectric property of dispersive media is written as rational polynomial function. In this paper, with approximate different temperature, reflectance of electromagnetic wave is calculated by using SO-FDTD method. The...
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