Resources

Links from internet

Saw-tooth potential in Quantum Espresso

Link 1

Link 2

Modern theory of polarization

Link 1

Useful Linux commands

Joining multiple files and compressing without losing quality

gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input1.pdf input2.pdf input3.pdf input4.pdf

Useful packages

Latex style file

sudo apt-get install texlive-publishers