Zobrazeno 1 - 10 of 54 pro vyhledávání: '"HATORI, TADATSUGU"'
1
Report
Numerical evidence of drift term in two-dimensional point vortex system at negative absolute temperature
Autor: Yatsuyanagi, Yuichi, Hatori, Tadatsugu
The drift term appearing in an anaylitically obtained kinetic equation for a point vortex system is evidenced numerically. It is revealed that the local temperature in a region where the vortices are frequently transported by the diffusion and the dr
Externí odkaz: http://arxiv.org/abs/1611.00505
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2
Report
Explicit formula of energy-conserving Fokker-Planck type collision term for single species point vortex systems with weak mean flow
Autor: Yatsuyanagi, Yuichi, Hatori, Tadatsugu, Chavanis, Pierre-Henri
Publikováno v: J. Phys. Soc. Jpn 84,014402 (2015)
This paper derives a kinetic equation for a two-dimensional single species point vortex system. We consider a situation (different from the ones considered previously) of weak mean flow where the time scale of the macroscopic motion is longer than th
Externí odkaz: http://arxiv.org/abs/1308.1765
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3
Report
Mechanism of self-organization in point vortex system
Autor: Yatsuyanagi, Yuichi, Hatori, Tadatsugu
Publikováno v: Fluid Dyn. Res. 47 (2015) 065506
A mechanism of the self-organization in an unbounded two-dimensional (2D) point vortex system is discussed. A kinetic equation for the system with positive and negative vortices is derived using the Klimontovich formalism. Similar to the Fokker-Planc
Externí odkaz: http://arxiv.org/abs/1304.7306
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4
Report
Explicit formula of energy-conserving, Fokker-Planck type collision term for nonaxisymmetric, single species point vortex system
Autor: Yatsuyanagi, Yuichi, Hatori, Tadatsugu
This paper considers a kinetic equation for an unbounded two-dimensional single species point vortex system. No axisymmetric flow is assumed. Using the kinetic theory based on the Klimontovich formalism, we derive a collision term consisting of a dif
Externí odkaz: http://arxiv.org/abs/1303.2793
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5
Report
Selective production of metallic carbon nanotubes
Autor: Matsunaga, Yasushi, Hatori, Tadatsugu, Kato, Tomokazu
In this report, we discuss whether the optimal electric field to promote the growth of armchair- type nanotubes (metallic character) evaluated using the previous Huckel-Poisson method can be applied at the tip of a nanotube in a realistic system. Set
Externí odkaz: http://arxiv.org/abs/physics/0410120
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6
Akademický článek
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10
Akademický článek
A Landau mode in current-carrying carbon nanotube and effects on electrical breakdown.
Autor: Matsunaga, Yasushi, Kato, Tomokazu, Hatori, Tadatsugu
Publikováno v: Journal of Applied Physics; May2008, Vol. 103 Issue 10, p104301, 9p, 5 Diagrams, 6 Graphs
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