發送短信 : Dynamic response of a quantum wire structure

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