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Two-dimensional expansion of finite-size barium photoplasma in an electrostatic field
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10.1063/1.3050059
/content/aip/journal/pop/15/12/10.1063/1.3050059
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/12/10.1063/1.3050059

Figures

Image of FIG. 1.
FIG. 1.

Various mechanisms contributing to two-dimensional motion. 1: bulk motion, 2: ambipolar free diffusion, 3: Coulomb repulsion, 4: Child–Langmuir flux, and 5: bounded diffusion.

Image of FIG. 2.
FIG. 2.

Schematic of signal detection setup for parallel-plate electrode system. All resistors are not shown.

Image of FIG. 3.
FIG. 3.

Cut view of a Faraday cup assembled on a standard BNC connector.

Image of FIG. 4.
FIG. 4.

Temporal evolution of the photoplasma as recorded by Faraday cups in the vertical direction. Initial density and applied potential is .

Image of FIG. 5.
FIG. 5.

Distribution of photoions on Faraday cups in the vertical direction.

Image of FIG. 6.
FIG. 6.

PIC simulated temporal dependence of uncompensated ions responsible for Coulomb repulsion. See text for labels.

Image of FIG. 7.
FIG. 7.

Photoions collected on cathode and anode sides by Faraday cups.

Image of FIG. 8.
FIG. 8.

Sheath thickness in front of the Faraday cup F2, when different potentials are applied on the anode.

Image of FIG. 9.
FIG. 9.

Photoion signal on the top plate in the absence of any electric field. Density is .

Tables

Generic image for table
Table I.

Typical parameters of the photoplasma.

Generic image for table
Table II.

Percentage distribution of photoions on different locations as a function of plasma density when is applied. The values have an error of . The values in parentheses are that of 2D-PIC simulation.

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/content/aip/journal/pop/15/12/10.1063/1.3050059
2008-12-22
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Two-dimensional expansion of finite-size barium photoplasma in an electrostatic field
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/12/10.1063/1.3050059
10.1063/1.3050059
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