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Plasma-beta dependence of the fast reconnection mechanism in an initially force-free current sheet
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10.1063/1.3655449
/content/aip/journal/pop/18/10/10.1063/1.3655449
http://aip.metastore.ingenta.com/content/aip/journal/pop/18/10/10.1063/1.3655449
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Temporal variations of the reconnection electric field Ez (r= 0, t) measured at the origin r = 0 for the cases β = 0.01, 0.02, 0.5, and 1.0.

Image of FIG. 2.
FIG. 2.

Temporal variations of the outflow velocity ux (x = 6, y = z = 0, t) measured at x = 6 on the x axis for the cases β = 0.01, 0.02, 0.5, and 1.0.

Image of FIG. 3.
FIG. 3.

Temporal variations of the outflow velocity ux (x = 2, y = z = 0, t) measured at x = 2 on the x axis for the cases β = 0.01, 0.02, 0.5, and 1.0.

Image of FIG. 4.
FIG. 4.

(Color online) Distributions of the temperature T(x, y, z = 0) (contour interval of 0.08) and the flow vectors u in the z = 0 plane at times t = 36, 48, and 80 for the case of β = 0.02, where in (c) the plasmoid regions P and C are indicated.

Image of FIG. 5.
FIG. 5.

(Color online) Distributions of the temperature T(x, y = 0, z) (contour interval of 0.08) and the flow vectors u in the y = 0 plane at times t = 36, 48, and 80 for the case of β = 0.02.

Image of FIG. 6.
FIG. 6.

(Color online) Magnetic field lines passing through the y axis and the reconnected field lines passing through the x axis (a) at time t = 100 for the case of β = 1.0 and (b) at t = 72 for the case of β = 0.01; in each case, the plasmoid center XC on the x axis is indicated, and the plasma pressure distribution is shown in the y = 0 plane.

Image of FIG. 7.
FIG. 7.

Profiles of the plasma pressure P, plasma density ρ, magnetic field components By and Bz along the x axis (a) at time t = 100 for the case of β = 1.0 and (b) at t = 72 for the case of β = 0.01, where the characteristic x locations of the fast reconnection, X n ,X p , and XC , are indicated.

Image of FIG. 8.
FIG. 8.

Profiles of the plasma temperature T and the flow velocity ux along the x axis at different times for the case of β = 0.01.

Image of FIG. 9.
FIG. 9.

(Color online) Distributions of (a) the temperature T(x, y, z = 0) (contour interval of 0.07), (b) the field component Bz (x, y, z = 0) (contour interval of 0.2) in the z = 0 plane, and (c) the Bz field (contour interval of 0.23) in the y = 0 plane at times t = 72 for the case of β = 0.01, where the flow velocity vectors u are also shown and the plasmoid center XC is indicated.

Image of FIG. 10.
FIG. 10.

(Color online) Distributions of the temperature T (contour interval of 0.07) at time t = 72 for the case of β = 0.01 in the (a) z = −4.5 plane and (b) z = 4.5 plane, where the flow velocity vectors u are shown and in (a) the plasmoid regions P and C are indicated.

Image of FIG. 11.
FIG. 11.

Profiles of the plasma temperature T, the flow velocity ux and the plasma density ρ at time t = 72 for the case of β = 0.01 along the (a) z-directional line at x = 3.2 and y = 0 and (b) x-directional line at y = 0 and z = −4.5.

Image of FIG. 12.
FIG. 12.

(Color online) Distributions of (a) the temperature T (contour interval of 0.07), (b) the plasma pressure P (contour interval of 0.2), and (c) the field component Bz (contour interval of 0.2) in the x = 24 plane at time t = 72 for the case of β = 0.01, where in (a) the plasmoid regions P and C are indicated.

Image of FIG. 13.
FIG. 13.

(Color online) Distributions of the temperature T (contour interval of 0.07) in the y = 0.9 plane at times (a) t = 48 and (b) 72 for the case of β = 0.01, where the flow velocity vectors u are shown.

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/content/aip/journal/pop/18/10/10.1063/1.3655449
2011-10-27
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Plasma-beta dependence of the fast reconnection mechanism in an initially force-free current sheet
http://aip.metastore.ingenta.com/content/aip/journal/pop/18/10/10.1063/1.3655449
10.1063/1.3655449
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