Give me please hint

  • Thread starter wormhole
  • Start date
  • #1
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i want to prove this equality:

dirac_lap.jpg


it is trivial to show that it holds for all points outside small certain region around r=0
in this case both sides of equality are 0

i have a dificulty in proving the equality in region r~0

so please give some hint how to attack this thing...:smile:
 
Last edited:

Answers and Replies

  • #2
arildno
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Integrate over a region containing r=0 using spherical coordinates
 

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