發送短信 : Symmetry-enforced nodal chain phonons

Export Ready —  

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