أرسل هذا في رسالة قصيرة: Néel to spin-Peierls transition in a quasi-one-dimensional Heisenberg model coupled to bond phonons

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