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            ______    _  _     _____    _    _   
  ____     /_   _//  | \| ||  |  ___|| | || | || 
 |    \\    -| ||-   |  ' ||  | ||__   | || | || 
 | [] ||    _| ||_   | .  ||  | ||__   | \\_/ || 
 |  __//   /_____//  |_|\_||  |_____||  \____//  
 |_|`-`    `-----`   `-` -`   `-----`    `---`   
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Text this: Quantum channel capacity by simulated annealing