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Published in 2021 at "Physics of Plasmas"
DOI: 10.1063/5.0043784
Abstract: The basic physics of drift-wave turbulence and zonal flows has long been studied within the framework of the wave-kinetic theory. Recently, this framework has been reexamined from first principles, which has led to more accurate…
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Keywords:
kinetic approach;
zonal flow;
physics;
wave kinetic ... See more keywords
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Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.105.014206
Abstract: We predict negative temperature states in the discrete nonlinear Schödinger (DNLS) equation as exact solutions of the associated wave kinetic equation. Within the wave kinetic approach, we define an entropy that results monotonic in time…
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Keywords:
temperature states;
equilibrium;
negative temperature;
wave kinetic ... See more keywords
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Published in 2020 at "Atoms"
DOI: 10.3390/atoms8030042
Abstract: We study the collective scattering of radiation by a large ensemble of Na≫1 atoms, in the presence of a pump field. We use the wave-kinetic approach where the center-of-mass position of the moving atoms is…
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Keywords:
kinetic approach;
approach collective;
collective atomic;
approach ... See more keywords