Text this: Topological transitions with an imaginary Aubry-André-Harper potential

  _____      ___      ______   _    _             
 |__  //    / _ \\   /_   _// | || | ||     ___   
   / //    / //\ \\    | ||   | || | ||    /   || 
  / //__  |  ___  ||  _| ||   | \\_/ ||   | [] || 
 /_____|| |_||  |_|| /__//     \____//     \__ || 
 `-----`  `-`   `-`  `--`       `---`       -|_|| 
                                             `-`