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\begin{document}
\title{Prevalence and recovery of information stored in bundles of parallel magnetic nanowires}
\author{D. Ceballos}
\affiliation{Dept. of Physics, Universidad de La Frontera, Temuco, Chile}
\author{E. Cisternas}
\affiliation{Dept. of Physics, Universidad de La Frontera, Temuco, Chile}
\author{\underline{E.E. Vogel}}
\affiliation{Dept. of Physics, Universidad de La Frontera, Temuco, Chile}
\begin{abstract}
Magnetic nanowires grown within the pori produced in alumina membranes provide a set
of parallel nanomagnets subject to orientation by a strong enough magnetic tip [1].
In this way sectors of the membrane can be forced to present a desired magnetic orientation
representing symbols or any kind of information. However, parallel magnetized wires forming
the symbol raise the energy of the system which could trigger magnetization reversals and partial
loss of information. In this paper we tackle two related problems. On one hand, we calculate
the interaction energy [2] within different symbols for the case of segmented nanowires trying
to stabilize the system in the presence of external magnetic fields. On the other hand, we develop
algorithms to recover the original information after it has been partially lost. Recommendations
for a safer design of the system are formulated.


\textbf{References:}
\begin{spacing}{0.8}

{\scriptsize[1]  M. Jaafar, J. G\'omez-Herrero, A. Gil et al., Ultramicroscopy \textbf{109}, 693 (2009)}

{\scriptsize[2] E. Cisternas, J. Fa\'undez, and E. E. Vogel,  J. Magn. Magn. Mater. \textbf{426}, 588 (2017)}
\end{spacing}

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\textit{We acknowledge partial support from Universidad de La Frontera  DI17-0027,  Fondecyt (Chile)  1150019 and Cedenna FB0807}
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\end{abstract}
\maketitle

\end{document}
