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

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Text this: Datta-and-Das spin transistor controlled by a high-frequency electromagnetic field