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Apr 13, 2017 at 12:39 history edited CommunityBot
replaced http://physics.stackexchange.com/ with https://physics.stackexchange.com/
Oct 21, 2014 at 15:03 vote accept Jiang-min Zhang
Oct 21, 2014 at 14:57 comment added Jiang-min Zhang There must be some mathematical way to get around it. But, the point is that, now i do not dare to use delta potential anymore. At least for the concrete problem above, i am not sure the two approaches will yield the same result.
Oct 21, 2014 at 14:52 history edited Qmechanic CC BY-SA 3.0
added 137 characters in body
Oct 21, 2014 at 14:41 history answered Qmechanic CC BY-SA 3.0