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Alfredo A. Correa edited section_Conclusion_In_this_paper__.tex
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\section{Conclusion}
Finally we point out that the investigation of the low velocity limit of stopping is important for the understanding the non-adiabatic coupling between ions and electrons \cite{Caro_2015} and also for modeling dissipative molecular dynamics \cite{Duffy_2006}.
In simulations of radiation events the final state is precisely controlled by dissipation in the late stages when ions move slowly but still non-adibatically.
In
summary, in this paper we
have reported the electronic stopping power of protons in
copper. We find that (for channeling) trajectories the electronic stopping power decreases faster than linearly and it becomes comparable to the nuclear stopping according copper in a very wide range of velocities.
TDDFT-based electron dynamics is able to
reported \textsc{Srim} estimates. At capture most of the
same time, some features related to band structure appear physics in the
different ranges, starting from non-linear screening effects, electron-hole excitations and production of plasmons.
We disentangled channeling and off-channeling effects and find a collapse of the two curves at low
velocity regime, this is in contrast to velocities and identified five regimes
i) the
simpler case of Aluminum. It linear s-only ($0.02-0.1~\mathrm{a.u.}$), ii) linear s+d ($0.3-1~\mathrm{a.u.}$), iii) crossover with $1.5$-power law ($0.1-0.3~\mathrm{a.u.}$), iv) plasmon-like (v > 1~\mathrm{a.u.}) and v) what is
observed that possibly a non-linear screening regime at
low $v <
0.1~\mathrm{a.u.}$ only $s$-electrons in copper participate and above $0.3~\mathrm{a.u.}$ the $11$ electrons ($d + s$) participate. We also found 0.02~\mathrm{a.u.}$.
This is a further illustration that
$0.1 < v < 0.3~\mathrm{a.u.}$ our $S_\text{e}$ satisfies the electronic stopping in general does not have a simple
power law, $\alpha v^{1.455}$. behavior in the limit $v\to 0$, and that band and bound effects dominate this behavior.