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

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發送短信 : Disorder and spectral line shapes in two-level systems