Edwin E. Quashie Deleted File  almost 8 years ago

Commit id: b34f5c834f1d2143552e03893e2b55e5593aab3f

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A snapshots of the distribution of the charge density as a function of time for the simulation using VisIt~\cite{HPV:VisIt} are shown in Fig.~\ref{fig:snapshot_copper}. At $t = 0~\text{attoseconds}$ the $\mathrm{H^+}$ interacts with the neighboring $\mathrm{Cu}$ atoms charge density where some electron density is acquired. As $\mathrm{H^+}$ travels through the $\mathrm{Cu}$ crystal more electron density is acquired from the neighboring atoms as seen at $t = 91.65~\text{attoseconds}$.