Dirac's Coupling to an electromagnetic field and schroedingers

  • Thread starter g.bashyam
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hi
i just read this article,which discussed about getting the Schroedinger's equation for a particle in a em field by transforming the psi, http://www.vttoth.com/gauge.htm .can anyone plz tell me if we can get the dirac's equation for a particle in a em field by transforming the psi
thanks in advance!!!!
regards
bashyam govindhan
 

Answers and Replies

  • #2
dextercioby
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As far as I know, the same calculations can be made for the Dirac Hamiltonian.
 
  • #3
clem
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That webpage is a bit complicated. To put the EM interaction into any QM wave equation
(Schrodinger or Dirac) the substitution del-->del-iqA works.
The transformation of the psi is part of the gauge transformation which works if the form
del-iqA is used.
( gave up on the latex.)
 
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