أرسل هذا في رسالة قصيرة: Topological transitions with an imaginary Aubry-André-Harper potential

  ______     ___     _    _      ___     _    _   
 /_   _//   / _ \\  | || | ||   / _ \\  | |  | || 
   | ||    / //\ \\ | || | ||  | / \ || | |/\| || 
  _| ||   |  ___  ||| \\_/ ||  | \_/ || |  /\  || 
 /__//    |_||  |_|| \____//    \___//  |_// \_|| 
 `--`     `-`   `-`   `---`     `---`   `-`   `-`