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Edwin E. Quashie edited In_the_low_velocities_cases__.tex
over 8 years ago
Commit id: 879acf8f84f7963ac5700d3f6cb9b4b78f54e626
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In the low velocities cases extracting a slope becomes more challenging,
first because a longer time simulation is required to sample the crystalline structure and second because the natural oscillations associated with the crystal periodicity becomes relatively larger.
For the channeling cases, we subtract the adiabatic energy from time-dependent energy
and we do
and an oscillatory fit to the resulting curve.
Figure \ref{fig:fit_graph} explains how the slopes are evaluated in these cases.
For higher velocities, a linear fit alone is enough to obtain reasonable values with small relative
errors. errors.%