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Analytic model of electron pulse propagation in ultrafast electron diffraction experiments
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10.1063/1.2178855
/content/aip/journal/jap/99/5/10.1063/1.2178855
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/5/10.1063/1.2178855
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) No Coulomb interaction. Relative error between moments calculated from the Gaussian model and -body simulation. Note in (c) that is a constant of motion.

Image of FIG. 2.
FIG. 2.

(Color online) With Coulomb interaction. Relative error between moments calculated from the Gaussian model and -body simulation.

Image of FIG. 3.
FIG. 3.

(Color online) Spatial distribution of electrons along the (a) axis and (b) axis. The associated lines are Gaussian with widths as calculated from the Gaussian models (9) and (10).

Image of FIG. 4.
FIG. 4.

(Color online) Velocity vs position in the (a) direction and (b) direction for . The slope values are calculated by the Gaussian model.

Image of FIG. 5.
FIG. 5.

(Color online) Velocity distribution ( component) for a chosen number of bins throughout the electron pulse for (a) , (b) , and (c) . The chosen bins lie on the axis, with the position shown in the legend. The Gaussian model predicts for , for , and for . A Gaussian fit is plotted for each set of binned electrons. The fitted widths vary with position with average values of (a) at , (b) at , and (c) at .

Image of FIG. 6.
FIG. 6.

(Color online) Velocity distribution ( component) for a chosen number of bins throughout the electron pulse for (a) , (b) , and (c) . The chosen bins lie on the axis, with the position shown in the legend. The Gaussian model predicts for , for , and for . A Gaussian fit is plotted for each set of binned electrons. The fitted widths vary with position with the average values of (a) at , (b) at , and (c) at .

Image of FIG. 7.
FIG. 7.

(Color online) Local velocity width as a function of time. The straight lines are the calculations from the Gaussian model. The data points are calculated from the moments of the -body simulation (Ref. 9).

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/content/aip/journal/jap/99/5/10.1063/1.2178855
2006-03-14
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Analytic model of electron pulse propagation in ultrafast electron diffraction experiments
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/5/10.1063/1.2178855
10.1063/1.2178855
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