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SNS potential with exchange field in quantum dusty plasmas

I Zeba, Maryam Batool, Arroj A Khan, M Jamil, Ch Rozina2017年Plasma Physics and Controlled FusionIF 2.2出版社

The shielding potential of a static test charge is studied in quantum dusty plasmas. The plasma system consisting upon electrons, ions and negatively static charged dust species, is embedded in an ambient magnetic field. The modified equation of dispersion is derived using quantum hydrodynamic model (QHD) for magnetized plasmas. The quantum effects are inculcated through Fermi degenerate pressure, tunneling effect and exchange-correlation effects. The study of shielding is important to know the existence of the silence zones in space and astrophysical objects as well as crystal formation. The graphical description of the normalized potential depict the significance of the exchange and correlation effects arising through spin and other variables on the shielding potential.

日本語訳

量子ダストプラズマ中の静的試験電荷の遮蔽ポテンシャルを研究する。電子、イオン、および負に帯電した静的ダスト種からなるプラズマ系は、周囲の磁場中に埋め込まれている。磁化プラズマに対する量子流体力学モデル(QHD)を用いて、修正された分散関係を導出する。量子効果は、フェルミ縮退圧、トンネル効果、および交換相関効果を通じて導入される。遮蔽の研究は、宇宙空間および天体物理学的物体における沈黙領域の存在を理解するために重要であり、また結晶形成の理解にも重要である。正規化されたポテンシャルのグラフ表示は、スピンおよびその他の変数を通じて生じる交換相関効果が遮蔽ポテンシャルに及ぼす影響を明瞭に示している。

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Dusty plasma
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