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

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Text this: PATH INTEGRAL APPROACH TO ANALYZE IMPURITY SUBSTRATE INTERACTION IN GRAPHENE