deletions | additions       diff --git a/figures/topological insulator/caption.tex b/figures/topological insulator/caption.tex  index cd94f8b..4adac5b 100644  --- a/figures/topological insulator/caption.tex  +++ b/figures/topological insulator/caption.tex 
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(a)Energy dispersion of topological insulator. Red and blue lines indicate spin polarized edge states states\cite{Qi_2011}  (b)Experimental measurements of quantum conductance in HgTe quantum wells wells\cite{Konig_2007}