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Effects of the imposed magnetic field on the production and transport of relativistic electron beams
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10.1063/1.4812631
/content/aip/journal/pop/20/7/10.1063/1.4812631
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/7/10.1063/1.4812631

Figures

Image of FIG. 1.
FIG. 1.

Schematic of initial plasma density and imposed axial magnetic field.

Image of FIG. 2.
FIG. 2.

The natural logarithm of the electron energy density for different imposed magnetic fields (a) , (b) , (c) , and (d) at t = 1 ps. Here, the electron energy density is normalized by .

Image of FIG. 3.
FIG. 3.

The transverse distribution of the time-integrated energy of the fast electrons diagnosed at two different positions: (a) , and (b) . The electrons are diagnosed at time interval t = (667 fs, 1000 fs).

Image of FIG. 4.
FIG. 4.

Typical trajectories of the MeV electrons, showing the guiding and collimation of the electrons with the imposed magnetic fields.

Image of FIG. 5.
FIG. 5.

The spectrum of the fast electrons diagnosed under different imposed magnetic fields at three positions: (a) , and (c) . (d) The spectrum of the diagnosed fast electrons for the collision case. The electrons are diagnosed at time interval .

Image of FIG. 6.
FIG. 6.

The quasistatic magnetic fields under imposed magnetic field (a)(b) and (c)(d) at different times: (a), (c)  = 500 fs and (b), (d)  = 1000 fs. (e), (f) The quasistatic magnetic fields in the collisional case, other parameters are same as those in (c), (d). The unit of the electromagnetic fields is (1 unit = 100 MG for magnetic field).

Image of FIG. 7.
FIG. 7.

The quasistatic magnetic fields under imposed magnetic field (a), (b) and (c), (d) at different times: (a), (c)  = 500 fs and (b)(d)  = 1000 fs. (e), (f) The quasistatic magnetic fields in the collisional case, other parameters are same as those in (c), (d). The unit of the electromagnetic fields is (1 unit = 100 MG for magnetic field).

Tables

Generic image for table
Table I.

Fraction of the energy flux of the diagnosed fast electrons at different positions with respect to the input laser energy for different imposed magnetic fields. Here, only the electrons in the region and  = (667, 1000) fs are diagnosed.

Generic image for table
Table II.

Divergence angle of fast electrons diagnosed at different positions for different imposed magnetic fields. Here, only the electrons in the region and  = (667, 1000) fs are diagnosed.

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/content/aip/journal/pop/20/7/10.1063/1.4812631
2013-07-01
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effects of the imposed magnetic field on the production and transport of relativistic electron beams
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/7/10.1063/1.4812631
10.1063/1.4812631
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