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Vortices and turbulence in trapped atomic condensates
(National Academy of SciencesWashington, DC, 2014-03)
After more than a decade of experiments generating and studying the physics of quantized vortices in atomic gas Bose-Einstein condensates, research is beginning to focus on the roles of vortices in quantum turbulence, as ...
Dual constant-flux energy cascades to both large scales and small scales
(American Institute of Physics, 2017-11)
In this paper, we present an overview of concepts and data concerning inverse cascades of excitation towards scales larger than the forcing scale in a variety of contexts, from two-dimensional fluids and wave turbulence ...
Inverse cascade behavior in freely decaying two-dimensional fluid turbulence
(Amer Physical Soc, 2013-03)
We present results from an ensemble of 50 runs of two-dimensional hydrodynamic turbulence with spatial resolution of 2048 2 grid points and from an ensemble of 10 runs with 4096 2 grid points. All runs in each ensemble ...
Multiple particle and cluster emissions from Zr following intermediate energies photo absorption
(2007-12-01)
A new approach based on a N-a cluster photoabsorption model is proposed for the understanding of the puzzling steady increase behavior of the 90Zr (e, α) yield measured at the National Bureau of Standards (NBS) within the ...
Control of an electric traction system by means of cascade scheme regulation and machine vector control
(Escuela Politécnica Nacional, 2017)
Terahertz GaAs/AlAs quantum-cascade lasers
(American Institute of Physics, 2016-03)
We have realized GaAs/AlAs quantum-cascade lasers operating at 4.75 THz exhibiting more than three times higher wall plug efficiencies than GaAs/Al0.25Ga0.75As lasers with an almost identical design. At the same time, the ...
Inverse cascades in turbulence and the case of rotating flows
(IOP Publishing, 2013-07-16)
We first summarize briefly several properties concerning the dynamics of two-dimensional (2D) turbulence, with an emphasis on the inverse cascade of energy to the largest accessible scale of the system. In order to study ...
Anisotropy and nonuniversality in scaling laws of the large-scale energy spectrum in rotating turbulence
(American Physical Society, 2012-09)
Rapidly rotating turbulent flow is characterized by the emergence of columnar structures that are representative of quasi-two-dimensional behavior of the flow. It is known that when energy is injected into the fluid at an ...