deletions | additions       diff --git a/figures/freq/freq.png b/figures/freq/freq.png  deleted file mode 100644  index 4e387d6..0000000  Binary files a/figures/freq/freq.png and /dev/null differ diff --git a/layout.md b/layout.md  index e8274e2..252a7a8 100644  --- a/layout.md  +++ b/layout.md 
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introduction.tex  figures/peierls transition/peierls transition.png  When_applied_an_electric_field__.tex  figures/freq/freq.png