Limit Cycles in Competition Communities
A three-species Lotka-Volterra competition community may exhibit population oscillations of a neutral or undamped nature. Nontransitive interference competition, in which 1 can ...
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Polarizability and volume
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Synthesis and optical properties of MoS2 and isomorphous nanoclusters in the quantum confinement regime
Highly crystalline nanoclusters of hexagonal (2H polytype) MoS2 and several of its isomorphous Mo and W chalcogenides have been synthesized with excellent control over cluster s...
CO<sub>2</sub>-climate relationship as deduced from the Vostok ice core: a re-examination based on new measurements and on a re-evaluation of the air dating
Interpretation of the past CO2 variations recorded in polar ice during the large climatic transitions requires an accurate determination of the airice age difference. For the Vo...
Using the OMI aerosol index and absorption aerosol optical depth to evaluate the NASA MERRA Aerosol Reanalysis
Abstract. A radiative transfer interface has been developed to simulate the UV aerosol index (AI) from the NASA Goddard Earth Observing System version 5 (GEOS-5) aerosol assimil...
Adiabatic Cooling of Cesium to 700 nK in an Optical Lattice
We localize Cs atoms in wavelength-sized potential wells of an optical lattice, and cool them to a three-dimensional temperature of 700 nK by adiabatic expansion. In the optical...
Deforestation Predicts the Number of Threatened Birds in Insular Southeast Asia
The world’s tropical forests are being cleared rapidly, and ecologists claim this is causing a massive loss of species. This claim has its critics. Can we predict extinctions fr...
Nonlinear Refractive Index Of Glasses And Crystals
The propagation of intense optical beams through dielectric media induces changes in the refractive index which cause self-focusing and beam breakup in high-power laser systems....
Single Nanotube Raman Spectroscopy
A review is presented on the observation of the resonant Raman spectra from one isolated single wall carbon nanotube, focusing on the important structural information that is pr...
Vortices and defect statistics in two-dimensional optical chaos
We present the first direct experimental evidence of topological defects in nonlinear optics. For increasing Fresnel numbers F, the two-dimensional field is characterized by an ...