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    STUDIA PHYSICA - Issue no. 2 / 2007  
         
  Article:   ELECTRON DENSITY OSCILLATIONS IN ONE-DIMENSION FOR A CHAIN OF DENSE IMPURITIES.

Authors:  I. GROSU, L. TUGULAN.
 
       
         
  Abstract:  Using the linear response theory we studied the Friedel oscillations in a one-dimensional noninteracting electron gas in the presence of a chain of dense impurities. The chain length is l and the impurities potential is assumed to be constant. The oscillations are strongly affected by the length of the impurities chain.  
         
     
         
         
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