The driver energy in many dense plasma experiments is almost exclusively coupled into one species and, thus, a two-temperature plasma is created after a short relaxation. Beam particles or field ionization can also create a nonequilibrium charge state distribution. Although ionization kinetics and temperature equilibration usually occur on separated time scales (for solid density ≈ 100 fs and ≈...

Photoluminescence (PL) dynamics in single-walled carbon nanotubes (SWNTs) has been studied by the femtosecond excitation correlation method with a 150 fs time resolution. The SWNT samples were synthesized by different methods and suspended in gelatin films or D2O solutions. The PL dynamics of SWNTs depends on the local environment surrounding the SWNTs rather than the synthesis methods. The ver...

We present an all-laser-driven, energy-tunable, and quasimonochromatic x-ray source based on Thomson scattering from laser-wakefield-accelerated electrons. One part of the laser beam was used to drive a few-fs bunch of quasimonoenergetic electrons, while the remainder was backscattered off the bunch at weakly relativistic intensity. When the electron energy was tuned from 17-50 MeV, narrow x-ra...

A 42-day study was conducted to evaluate the influence of full-fat flaxseed (FS) and canola seed (CS) on broiler performance, fatty acid (FA) profile of meat, serum lipid content and antibody response to sheep red blood cells antigen (SRBC). A total of 324 one-day-old chicks were attributed to 6 experimental groups. C: control (soybean-corn); CS1:7.5% CS; CS2:15% CS; CS-FS:10% FS + 10% CS; FS1:...

We report efficient noncollinear optical parametric amplification (NOPA) of ultrabroadband near-IR pulses tunable in the 1.1-1.5 μm range at a repetition rate of 250 kHz. Improved generation of smooth near-IR continua (extending over ~1.0-1.6 μm) at 250 kHz was achieved by weakly focusing ~20% of the 1 W driving laser beam into a sapphire plate with longer focal length lenses than previously re...

We quantitatively predict the observed continuum-like spectral broadening in a 90-mm weakly birefringent all-normal dispersion-flattened photonic crystal fiber pumped by 1041-nm 229-fs 76-MHz pulses from a solid-state Yb:KYW laser. The well-characterized continuum pulses span a bandwidth of up to 300 nm around the laser wavelength, allowing high spectral power density pulse shaping useful for v...

With the advancement in technology, we are surrounded with huge amount of data, which need to be processed in some manner for further processing. For this purpose, we may combine the Data Mining Techniques with the concepts of Graph Theory. Real world systems may be represented as Graphs. For example: Social Networks may be depicted as graph with the people as nodes and their relationships repr...

The spectrum of Hawking radiation by quantum fields in the curved spacetime is continuous, so the explanation of Hawking radiation using quasinormal modes can be suspected to be impossible. We find that quasinormal modes do not explain the relation between the state observed in a region far away from a black hole and the short distance behavior of the state on the horizon. Loop quantum gravity ...

We study homogeneous geodesics of sub-Riemannian manifolds, i.e. , normal that are orbits one-parametric subgroups isometries. obtain a criterion for geodesic to be in terms its initial momentum. prove any weakly commutative space is orbit, means all homogeneous. discuss some examples orbit manifolds. In particular, we show Carnot groups only step 1 and 2. Finally, get broad condition existence...

Abstract. The amount and spatial extent of Greenland Sea (GS) ice are primarily controlled by the sea export across Fram Strait (FS) local seasonal formation, melting, dynamics. In this study, using satellite passive microwave observations, atmospheric a coupled ocean-sea reanalysis system, TOPAZ4, we show that both oceanic circulation in Nordic Seas (NS) act tandem to explain SIC variability s...