أرسل هذا في رسالة قصيرة: PHONONS AND EXCITONS IN 2D TRANSITION METAL DICHALCOGENIDES

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